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MIL-STD-271 Revision F:1986

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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REQUIREMENTS FOR NONDESTRUCTIVE TESTING METHODS (REPLACEMENT DOCUMENT NAVSEA TECH PUB T9074-AS-GIB-010/271)

Available format(s)

PDF

Published date

06-27-1986

Superseded date

05-27-1998

1. SCOPE
1.1 General
1.2 Classification
1.3 Acceptance standards
1.4 Time of inspection
1.5 General definitions
1.6 Nondestructive test personnel certification
1.7 Procedure qualification and approval
1.8 Maintenance of inspection records
2. APPLICABLE DOCUMENTS
2.1 Government documents
2.2 Other publications
2.3 Order of precedence
3. RADIOGRAPHY
3.1 Definitions
3.2 General requirements
3.3 Radiography requirements
3.4 Penetrameters
3.5 Shims
3.6 Radiographic quality levels
3.7 Single-wall and double-wall radiography
3.8 Radiography of parts
3.9 Radiography of repair welds
3.10 Radiography of castings and forgings
3.11 Radiographic film ownership
4. MAGNETIC PARTICLE TESTING
4.1 Intended use
4.2 Definitions
4.3 Magnetic particle inspection requirements
4.4 Non-relevant indications
4.5 Final cleaning
4.6 Arc strikes
5. LIQUID PENETRANT TESTING
5.1 Intended use
5.2 Definitions
5.3 Inspection methods
5.4 General requirements
5.5 Surface preparation
5.6 Test procedures
5.7 Test results
6. ULTRASONIC TESTING
6.1 Definitions
6.2 Procedure and test methods
6.3 Equipment
6.4 General requirements
6.5 Test methods
6.6 Thickness measurements
6.7 Bonding
7. EDDY CURRENT TESTING
7.1 Scope
7.2 Definitions
7.3 Eddy current inspection requirements
7.4 Equipment requirements
7.5 On-site verification/standardization
7.6 Test technique
8. VISUAL INSPECTION
8.1 Scope
8.2 Reference standard
8.3 Procedure requirements
8.4 Inspection techniques
8.5 Dimensional inspection accuracy
8.6 Lighting
9. NOTES
9.1 Subject term (key word) listing
9.2 Changes from previous issue
FIGURES
1. Recommended X-ray voltage settings and radioisotope
     sources to be used with various steel and
     similar alloys
2. Recommended X-ray voltage settings and radioisotope
     sources to be used with varius copper-base and
     similar alloys
3. Recommended X-ray voltage settings and radioisotope
     sources to be used with various aluminium,
     magnesium and similar alloys
4. Penetrameter designs
4a. Penetrameter identification notching
4b. Maximum allowed Ug
4c. Recommended increase in source-to-film distance
     for various radioisotope sources with lengths
     greater than 1/8 inch
5. Examples of material thickness (Tm) and specimen
     thickness (Ts)
6. Magnetic field indicator
7. Skip distance example
7a. Accepted scanning techniques for butt welds
8. Typical ultrasonic calibration plot for vertical
     linearity
9. Typical reference calibration standard
     (sensitivity)
10. Typical viewing screen calibration (butt welds)
     (with dB control)
11. Typical viewing screen calibration (butt welds)
     (without dB control)
12. Scanning procedures for welds
13. Scanning procedure for tee welds
14. Typical viewing screen calibration (tee welds)
     (with dB control)
15. Typical viewing screen calibration (tee welds)
     (without dB control)
16. Surface opposite attachment member accessible
17. Surface opposite attachment member not accessible
18. Recommended probe-to-weld attitude for eddy
     current standardization and scanning operations
TABLES
I. Examples of penetrameter identification
II. Penetrameter placement for welds
III. Allowable film-side penetrameters
IV. Definition of radiographic quality levels
V. Minimum radiographic quality levels for Iridium-
      192 radiography of nonstructural welds
VI. Calibration hole size for longitudinal test
VII. Calibration reference notch dimensions of square
      and "U" bottom notch

Covers non-destructive testing for determination of internal and surface discontinuities in metals.

DocumentType
Standard
Pages
100
PublisherName
US Military Specs/Standards/Handbooks
Status
Superseded
SupersededBy

This standard covers the requirements for conducting nondestructive tests used in determining the presence of surface and internal discontinuities in metals.

MIL-E-23765-2 Revision E:1994 Electrodes and Rods - Welding, Bare, Solid, or Alloy Cored; and Fluxes, Low Alloy Steel (S/S by MIL-DTL-23765/1F and T9074-BC-GIB-010/0200)
MIL-G-24745 Base Document:1990 Governors, Steam Driven Pump, Pressure Regulating, Naval Shipboard, 600 Pounds per Square Inch Steam Service (No S/S Document)
MIL C 24231 : D CONNECTOR, PLUGS, RECEPTACLES, ADAPTORS, HULL INSERTS AND HULL INSERT PLUGS, PRESSURE-PROOF, GENERAL SPECIFICATION FOR
MIL-STD-1689 Revision A:1990 FABRICATION, WELDING, AND INSPECTION OF SHIPS STRUCTURE
MIL-E-22200-9 Revision B:1982 Electrodes, Welding, Mineral-Covered, Low-Hydrogen, Iron-Powder, Low-Hydrogen, Nickel-Manganese-Chromium-Molybdenum Alloy Steel for Producing HY-130 Weldments for AS-Welded Applications (No S/S Document)
DOD-F-24669-7 Base Document:1986 FORGINGS AND FORGING STOCK, STEEL BARS AND BILLETS, CORROSION RESISTING; NAVAL STEAM TURBINE PARTS USE (METRIC)
MIL V 23953 : C VALVE, COMBINED VENT-CHECK FOR SUBMARINE MBT BLOW LINES (SIZES 1-1/2 TO 2-1/2 INCHES)
MIL C 24774 : 0 CHAIN, STUD LINK, ANCHOR, FLASH BUTT WELDED, NONMAGNETIC
MIL-S-23284 Revision A:1990 Steel Forgings, Carbon and Alloy, for Shafts, Sleeves, Propeller Nuts, Couplings, and Stocks (Rudders and Diving Planes)
MIL-C-18096 Revision A:1969 Chain, Stud Link, Anchor, Die Lock Type, High Strength, Non-Magnetic (No S/S Document)
MIL STD 248 : D WELDING AND BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION
MIL-U-18033 Revision F:1962 UNDERWATER LOG EQUIPMENT, ELECTROMAGNETIC TYPE
MIL-N-25027-1 Revision A:1995 Nut, Self-Locking, Heavy Hex, (Non-Metallic Insert) 250 Degrees and 450 Degrees F, UNJC-3B, 1/4 Through 2-1/2 Inch Nominal Diameters, Nickel-Copper Alloy (S/S by MIL-DTL-32258)
MIL-E-22200-4 Revision D:1991 Electrodes, Welding, Covered, Copper-Nickel Alloy
QQ N 00286 : F NICKEL-COPPER-ALUMINUM ALLOY, WROUGHT (UNS N05500)
DOD-F-24669 Base Document:1986 FORGINGS AND FORGING STOCK, STEEL BARS, BILLETS AND BLOOMS, GENERAL SPECIFICATION FOR (METRIC)
MIL-Q-45970 Revision A:1975 QUALITY ASSURANCE FOR WEAPONS AND SUPPORT MATERIAL (S/S BY MIL-W-63150)
MIL-T-15005 Revision F:1989 TUBES, CONDENSER AND HEAT EXCHANGER, COPPER-NICKEL ALLOYS (UNS C70600 & C71500)
MIL-A-28890 Base Document:1984 Antenna Group, OE-207/BR (No S/S Document)
MIL-P-24691 Base Document:1987 PIPE AND TUBE, CARBON, ALLOY AND STAINLESS STEEL, SEAMLESS AND WELDED, GENERAL SPECIFICATION FOR
MIL-T-16286 Revision E:1977 TUBE, STEEL, SEAMLESS, MARINE BOILER APPLICATION
ASTM B 127 : 2005 : R2014 Standard Specification for Nickel-Copper Alloy (UNS N04400) Plate, Sheet, and Strip
ASTM B 127 : 2005 Standard Specification for Nickel-Copper Alloy (UNS N04400) Plate, Sheet, and Strip
ASTM A 999/A999M : 2018 : REDLINE Standard Specification for General Requirements for Alloy and Stainless Steel Pipe
ASTM F 1792 : 1997 : R2016 : EDT 1 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service
ASTM F 1387 : 1999 Standard Specification for Performance of Piping and Tubing Mechanically Attached Fittings
MIL-S-22141 Revision B:1976 Steel, Investment Castings Alloy and Carbon
MIL-DTL-18295 Revision F:1998 Chains and Fittings for Fleet Mooring
MIL-W-63150 Base Document:1977 Weapons and Support Materiel Standard Quality Assurance Provisions for
DOD A 24582 : 0 ANCHOR, TWO FLUKE, BALANCED FLUKE (METRIC)
MIL-F-18251 Revision C:1967 Fluxes, Welding, Submerged Arc Process Carbon and Low-Alloy Steel Application (S/S By MIL-E-23765/4)
MIL-STD-278 Revision F:1987 WELDING AND CASTING STANDARD (REPLACEMENT DOCUMENT NAVSEA TECH PUB S9074-AR-GIB-010/278)
MIL-B-48761 Base Document:1978 Battery, Single Cell, Primary Reserve
ASTM B 127 : 2005 : R2009 Standard Specification for Nickel-Copper Alloy (UNS N04400) Plate, Sheet, and Strip
MIL-B-16115 Revision G:1991 Buoys, Mooring, and Marker (No S/S Document)
MIL C 18295 : E CHAIN AND FITTINGS FOR FLEET MOORINGS
MIL-G-24260 Base Document:1967 Generator Set, Diesel Engine, 100 KW, 120-Volt Direct Current, 1800 RPM (No S/S Document)
MIL-T-22214 Revision C:1993 Tube, Condenser and Heat Exchanger with Integral Fins (UNS Alloy Nos. C17500, C70600, C12200)
MIL-STD-798 Base Document:1965 NONDESTRUCTIVE TESTING, WELDING, QUALITY CONTROL, MATERIAL CONTROL AND IDENTIFICATION AND HI-SHOCK TEST REQUIREMENTS FOR PIPING SYSTEM COMPONENTS FOR NAVAL SHIPBOARD USE
ASTM B 865 : 2004 : R2010 Standard Specification for Precipitation Hardening Nickel-Copper-Aluminum Alloy (UNS N05500) Bar, Rod, Wire, Forgings, and Forging Stock
MIL-E-24355 Revision B:1982 Electrodes, Welding, Bare, Solid-Nickel-Manganese-Chromium-Molybdenum Alloy Steel for Producing HY-130 Weldments for As-Welded Applications (No S/S Document)
MIL S 1222 : H STUD, BOLTS, HEX CAP SCREWS, SOCKET HEAD CAP SCREWS AND NUTS
QQ-A-596 Revision E:1981 Aluminum Alloy Permanent and Semipermanent Mold Castings (S/S by ASTM-B108)
MIL-STD-2032 Base Document:1990 Eddy Current Inspection of Heat Exchanger Tubing on Ships of the United States Navy (See Notice 1 for Replacement Information)
MIL T 17188 : D TUBE, CARBON STEEL, ELECTRIC RESISTANCE WELDED, MARINE BOILER
DOD-B-24668 Base Document:1986 Bearing Unit, Main Thrust, Submarine Propulsion Systems
MIL-E-23765 Revision B:1985 ELECTRODES AND RODS - WELDING, BARE, SOLID AND ALLOYED CORED, GENERAL SPECIFICATION FOR
QQ-C-390 Revision B:1983 Copper Alloy Castings (Including Cast Bar) (S/S by ASTM, B22, B30, B61, B62, B66, B67, B148, B176, B271, B369, B427, B505, B584, B763, B770, B806, and SAE-AMS4842, AMS4845, AMS4855, AMS4860, AMS4862, AMS4890
MIL G 16356 : D GAGE, BOILER WATER, DIRECT READING
ASTM B 865 : 2004 Standard Specification for Precipitation Hardening Nickel-Copper-Aluminum Alloy (UNS N05500) Bar, Rod, Wire, Forgings, and Forging Stock
MIL S 15083 : B STEEL CASTING (NAVY)
MIL-STD-1688 Revision A:1990 Fabrication, Welding and Inspection of HY-80/100 Submarine Applications (See Notice 2 for Replacement Information)
MIL-W-8604 Revision A:1982 WELDING, FUSION; ALUMINUM ALLOYS; PROCESS AND PERFORMANCE OF (S/S BY MIL-STD-2219)
MIL-V-24439 Revision A:1984 VALVE, OXYGEN, HELIUM AND HELIUM OXYGEN MIXTURE, HIGH PRESSURE FOR GAS SERVICES
MIL-B-16541 Revision B:1964 Bronze, Valve: Castings (No S/S Document)
MIL S 24412 : NOTICE 1 STEEL, SPECIAL STRUCTURAL SHAPE, WELDABLE, HIGH TENSILE (HT), FOR SUBMARINE HULLS
MIL-B-16540 Revision B:1969 Bronze, Phosphor: Casting (No S/S Document)
MIL-T-17523 Revision D:1976 Turbine, Steam, Auxiliary (and Reduction Gear) Mechanical Drive
MIL T 18165 : B TUBE AND PIPE, CHROMIUM MOLYBDENUM ALLOY STEEL, SEAMLESS
MIL-STD-1627 Revision C:1994 Bending of Pipe or Tube for Ship Piping Systems
MIL-STD-2195 Revision A:1993 Inspection Procedure for Detection and Measurement of Dealloying Corrosion on Aluminum Bronze and Nickel-Aluminum Bronze Components
MIL-P-45971 Base Document:1975 Product Engineering Quality Engineering System (PEQES),for Weaponsand Support Materiel (No S/S Document)
MIL-S-24584 Base Document:1978 Stoppers, Carpenter and Associated Bridles (Wire Rope and Chain Link)(No S/S Document)
DOD-STD-2182 Base Document:1985 Engineering Chromium Plating (Electrodeposited For Repair of Shafting (Metric)
MIL-X-48399 Base Document:1974 X-RAY ASSEMBLY, LIGHT WEIGHT ASSEMBLING AND PACKING (NO S/S DOCUMENT)
AWS B5.4 : 2005 SPECIFICATION FOR THE QUALIFICATION OF WELDER TEST FACILITIES
MIL STD 1693 : A NOTICE 2 FABRICATION WELDING AND INSPECTION OF HYPERBARIC CHAMBERS AND OTHER CRITICAL LAND BASED STRUCTURES
MIL E 24403/1 : D MILITARY SPECIFICATION - ELECTRODES - WELDING, FLUX CORED, ORDINARY STRENGTH AND LOW ALLOY STEEL
MIL-S-81591 Base Document:1968 Steel, Investment Castings, Carbon and Corrosion Resisting
DOD V 24657 : 0 VALVE, ACTUATOR, DIRECT COUPLED, GEAR DRIVEN ELECTRICALLY POWERED FOR NAVAL SHIPBOARD PROPULSION AND AUXILIARY SYSTEMS (METRIC)
DOD-V-24675 Base Document:1986 Valves, Boiler Blow Service, Monel, Shipboard Use
MIL-C-24723 Base Document:1989 Castings, Nickel-Copper Alloy
MIL-S-24093 Revision A:1991 STEEL FORGINGS, CARBON AND ALLOY HEAT TREATED
MIL S 21427 : B STRAINER, ASSEMBLIES, MAIN STREAM, HIGH PRESSURE (SIZES 4 INCHES AND ABOVE)
ASTM F 1387 : 1999 : R2012 Standard Specification for Performance of Piping and Tubing Mechanically Attached Fittings
ASTM B 164 : 2003 : R2008 Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire
MIL-V-24619 Base Document:1983 Valve, Quick Closing,for Saturated Steam Service (No S/S Document)
MIL-J-24445 Revision A:1977 Joint, Bimetallic Bonded, aluminum to Steel
MIL V 18110 : F VALVE, GATE, CAST OR FORGED STEEL, AND ALLOY STEEL, OUTSIDE SCREW AND YOKE (SIZES 2-1/2 INCHES AND LARGER)
MIL E 22200/1 : G ELECTRODES, WELDING, MINERAL COVERED, IRON-POWDER, LOW-HYDROGEN MEDIUM AND HIGH TENSILE STEEL, AS WELDED OR STRESS-RELIEVED WELD APPLICATION
MIL-B-24480 Revision A:1985 Bronze, Nickel-Aluminum (UNS No. C95800) Casting for Seawater Service
MIL-STD-2149 Revision A:1990 Standard Procedures for Explosion Testing Ferrous and Non-Ferrous Metallic Materials and Weldments (See Notice 3 for Replacement Information)
MIL-STD-2035 Revision A:1995 NONDESTRUCTIVE TESTING ACCEPTANCE CRITERIA
MIL-S-24645 Revision A:1990 Steel Plate, Sheet, or Coil, Age-Hardening Alloy, Structural, High Yield Strength (HSLA-80 and HSLA-100) (See Notice 2 for Replacement Information)
MIL-E-22200 Revision G:1989 ELECTRODES, WELDING, COVERED: GENERAL SPECIFICATION FOR
DOD-STD-2183 Base Document:1985 Bond Testing, Babbitt-Lined Bearings
MIL S 23495 : 0 STEEL, CARBON, EXTRUSIONS, STRUCTURAL FOR SHIPS
MIL-C-24689 Revision B:1992 Cobalt Alloy Castings, Wear and Corrosion Resistant
MIL-E-22200-2 Revision D:1986 Electrode, Welding Covered (Austenitic Chromium-Nickel Steel)
MIL-C-23465 Base Document:1962 Connection, Flexible; Pipe Loops, for Steam to Main and Auxiliary Turbines (Sizes 4 and 6 Inches IPS) (No S/S Document)
MIL-V-17462 Revision B:1981 Valve, Safety: Boiler (Shipboard Use)
MIL-I-23413 Revision C:1981 Inserts, Welding, Filler Material, Coiled and Solid Rings
MIL-V-22687 Revision C:1989 VALVE, BALL, NAVAL SHIPBOARD, FOR AIR, NITROGEN, HELIUM OR HYDRAULIC SERVICE (SIZE 2 1/2 INCHES IPS AND BELOW)
NAVSEA S9074 AQ GIB 010/248 : 0 REQUIREMENTS FOR WELDING AND BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION
MIL F 22606 : C FLASK COMPRESSED GAS AND END PLUGS FOR AIR, OXYGEN AND NITROGEN
DOD C 24689 : A COBALT ALLOY CASTINGS, WEAR AND CORROSION RESISTANT
MIL-E-22200-5 Revision C:1984 Electrodes, Welding, Mineral Covered, Iron-Powder, Low-Hydrogen, Low- Alloy Steel for Hardening and Tempering Heat Treatment Applications Only (No S/S/ Document)
MIL-E-24403 Revision A:1981 Electrodes - Welding, Flux Cored General Specification for
MIL-C-24633 Revision A:1990 Chain, Stud Link, Anchor, Low Alloy Steel, Flash Butt Welded
MIL-E-21562 Revision E:1989 ELECTRODES AND RODS - WELDING, BARE, NICKEL ALLOY
MIL-T-24388 Revision C:1990 Thermocouple and Resistance Temperature Detector Assemblies, General Specification for (Naval Shipboard)
ASTM F 1792 : 1997 : R2004 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service
ASTM F 1387 : 1999 : R2005 Standard Specification for Performance of Piping and Tubing Mechanically Attached Fittings
ASTM B 164 : 2003 Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire
ASTM B 865 : 2004 : R2015 Standard Specification for Precipitation Hardening Nickel-Copper-Aluminum Alloy<brk/> (UNS N05500) Bar, Rod, Wire, Forgings, and Forging Stock
MIL-C-22229 Revision A:1973 Copper Base Alloy Castings (for Pressure Tight Applications) (No S/S Document)
MIL-C-24679 Base Document:1988 Copper-Nickel Alloy Forgings and Forging STDCL
MIL S 18313 : G SLINGS, CARGO, NET, NYLON WEBBING
MIL-C-24615 Revision A:1988 Castings, Nickel-Chromium-Molybdenum-Columbium Alloy
MIL-T-17600 Revision D:1968 Turbine, Steam, Propulsion Naval Shipboard
DOD-C-24676 Base Document:1987 COPPER-NICKEL ALLOY BAR, ROD AND FORGED SHAPES, HIGH STRENGTH (METRIC) (NO S/S DOCUMENT)
DOD-A-15707 Revision D:1978 Anchors, Navy, Lightweight Type (Metric)
MIL-A-24280 Revision A:1972 Anchors, Marine Fluked, Light Weight Type (LWT), (30 Degrees and 50 Degrees Fluke Angles with Wedge Block Adapters), High Strength Cast Steel
MIL-S-24512 Base Document:1975 Steel Forgings, Alloy, Structural, High Yield Strength (HY-130) (See Notice 3 for Replacement Information)
MIL-E-15330 Revision D:1977 Expansion Joint, Pipe, Nonmetallic, Fire-Retardant (S/S by ASTM-F1123, A-A-50604, A-A-50605)
GGG-B-485 Revision B:1978 Block, Tackle, Wire Rope, with Swivel Hook, (for Crane Use) (No S/S Document)
QQ-N-286 Revision G:2000 NICKEL-COPPER-ALUMINUM ALLOY, WROUGHT (UNS N05500)
DOD A 24581 : 0 ANCHOR, NAVY STOCKLESS TYPE (METRIC)
MIL-F-24669-8 Base Document:1991 Forgings and Forging Stock, Steel for Integral Steam Turbine Rotors
MIL-B-1947 Revision A:1960 BLOWER, SOOT (SHIPBOARD USE)
MIL-E-22200-11 Revision A:1989 Electrodes, Welding, Mineral-Covered, Iron-Powder, Low-Hydrogen, for Producing HY-130 Weldments to be Heat-Treated (No S/S Document)
MIL-E-22200-6 Revision C:1976 Electrodes, Welding, Mineral Covered, Low Hydrogen, Medium and High Tensile Steel (S/S by MIL-DTL-22200/1 and MIL-E-22200/10)
MIL-C-15726 Revision F:1988 Copper-Nickel Alloy, Sheet, Plate, Strip, Bar, Rod and Wire
DOD-STD-2185 Base Document:1986 REQUIREMENTS FOR REPAIR AND STRAIGHTENING OFBRONZE NAVAL SHIP PROPELLERS
WW-T-696 Revision E:1984 Traps, Steam (S/S by A-A-60001)
MIL-A-29521 Base Document:1988 Antenna Group, AN/BRA-34(V), AN/BRA-34A(V), AN/BRA-34B(V) (No S/S Document)
MIL-T-24766 Base Document:1992 Titanium Forgings and Forgings Stock, High Quality For Ships Service
ASTM B 164 : 2003 : R2014 Standard Specification for Nickel-Copper Alloy Rod, Bar, and Wire
QQ-A-601 Revision F:1981 Aluminum Alloy Sand Castings (S/S by ASTM-B26/B26M)
AWS D3.6M : 2010 UNDERWATER WELDING CODE
MIL-I-25135 Revision E:1984 Inspection Materials, Penetrants (S/S by SAE-AMS2644)
MIL-C-24707-3 Base Document:1989 Castings, Ferrous, Corrosion-Resistant, Austenitic, Chromium-Nickel
MIL-PRF-24003 Base Document:1964 Parachute Release Mechanisms; General Specification for (No S/S Document)
SAE AMSS22141A Steel, Investment Castings Alloy and Carbon
ASTM A 530/A530M : 2012-06 SPECIFICATION FOR GENERAL REQUIREMENTS FOR SPECIALIZED CARBON AND ALLOY STEEL PIPE
ASTM F 1792 : 1997 : R2010 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service
ASTM F 1792 : 1997 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service

ASTM D 3699 : 2013-05 SPECIFICATION FOR KEROSINE
MIL-STD-45662 Revision A:1988 Calibration Systems Requirements (Refer to ISO-10012-1 and ANSI-Z540-1 or Comparable Standards as Alternatives to MIL-STD-45662)
MIL-STD-792 Revision F:2006 IDENTIFICATION MARKING REQUIREMENTS FOR SPECIAL PURPOSE COMPONENTS
MIL-STD-278 Revision F:1987 WELDING AND CASTING STANDARD (REPLACEMENT DOCUMENT NAVSEA TECH PUB S9074-AR-GIB-010/278)
MIL-I-25135 Revision E:1984 Inspection Materials, Penetrants (S/S by SAE-AMS2644)

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