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National Stock Number:
5305-01-395-2831
Federal Supply Class:
5305
National Item Identification Number:
013952831
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:
| MBEU145866 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | MBEU145866 | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED |
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Techincal Specification:
| HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | LUBRICANT OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.250 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND | | 0.752 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | FEATURES PROVIDED | DRY FILM LUBRICANT | | THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.513 INCHES MINIMUM AND | | 0.543 INCHES MAXIMUM | | FASTENER LENGTH | 5.763 INCHES MINIMUM AND | | 5.793 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-12 OVERALL |
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