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National Stock Number:
5305-01-568-3638
Federal Supply Class:
5305
National Item Identification Number:
015683638
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 100-7064048 ITEM 38 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6517026 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, HEX HEAD. SELF LOCKING | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SPECIAL FEATURES | MODIFIED TO BE SELF-LOCKING IAW/MIL-DTL-18240, TYPE N. MTL SOURCES-07674-70318-01651 | | WIDTH BETWEEN FLATS | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 8 | | THREAD SERIES DESIGNATOR | UNC |
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