FED-STD-H28-2 Revision B:1991
Current
Current
The latest, up-to-date edition.
Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads- UN and UNR Thread Forms
Available format(s)
PDF
Published date
08-20-1991
Publisher
Important note : All end users must be registered with an Account prior to user licenses being assigned.Specifies unified UN and UNR inch screw threads. Coverage includes: preferred non standard diameters; diameter pitch combinations; thread class selection; thread allowance and tolerance; completely formed threads; incomplete formed threads; gages and gaging; preferred non standard diameters. Also contains detailed tables and diagrams.
| DevelopmentNote |
Supersedes FED STD H28/3. B NOTICE 1 - Notice of Validation. (10/2001) B NOTICE 2 - Notice of Validation. (11/2006)
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| DocumentType |
Standard
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| Pages |
78
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| ProductNote |
NEW CHILD NOT 3 2019 IS NOW ADDED.
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| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Current
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| Supersedes |
This section provides the standard for unified inch screw threads to be used by the Federal Services.
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