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National Stock Number:
5305-01-408-5890
Federal Supply Class:
5305
National Item Identification Number:
014085890
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:
| 5C1-04625-17 | 34712 | LAKE SHORE SYSTEMS, INC. | | 5D3-04012-100 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| FASTENER LENGTH | 4.000 INCHES NOMINAL | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SPECIAL FEATURES | MODIFIED MS-35311-123, BY INSERTION OF SELF LOCKING ELEMENT | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 13 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
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