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National Stock Number:
5305-00-471-7546
Federal Supply Class:
5305
National Item Identification Number:
004717546
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:
| 5306-99-6037455 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | F248255 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | F248255 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 1.050 INCHES NOMINAL | | HEAD HEIGHT | 0.070 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | B11,FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.900 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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