BS 1486-1:1959

Co-operating organizations
Foreword
Specification
1 Scope
2 Nipples
3 Adaptors
4 Limited supply plugs
5 Materials
6 Screw threads
7 Check valves
8 Workmanship and finish
9 Marking
Appendix
A Notes on use of nipples
Figures
Fig and Table 1 Dimensions of button head nipples
Fig and Table 2 Dimensions of straight hydraulic
                 nipples
Fig and Table 3 Dimensions of angle hydraulic nipples
Fig and Table 4 Dimensions of angle adaptors
Fig and Table 5 Dimensions of straight adaptors
Fig and Table 6 Dimensions of button head, limited
                 supply plug assembly
Fig and Table 7 Dimensions of hydraulic limited supply
                 plug assembly
Fig 8A Standard form 'A' for hydraulic nipple
                 head
Fig 8B Standard form 'B' for hydraulic nipple
                 head
Fig 8C Standard form 'C' for hydraulic nipple
                 head
Fig 9 and } Dimensions of minimum spacings for
Table 8 } groupings and minimum clearance for
                 hook-on connectors for button head
                 nipples
Fig 10 and} Dimensions of minimum spacings for
Table 9 } groupings and minimum clearance for
                 thrust-on connectors for button head
                 nipples
Fig 11 and} Dimensions of minimum spacings for
Table 10 } groupings and minimum clearance for
                 engaging and disengaging hydraulic
                 chuck connectors

Overall dimensions, thread sizes of lubricating nipples and limited supply plugs, straight and angled adaptors for ⅜ in UNF and ⅛ in BSP.F threaded items. Button head nipples (hexagon-headed nipples) for use with connectors which slide on the nipple head. Hook-on and thrust-on types. Hydraulic nipples, straight and angle types for use with hydraulic chuck connectors. Materials, case hardening and electro-plating for ferrous items. Locating of check valves. Notes on use of nipples, access clearances, minimum spacings for grouping.