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National Stock Number:
5305-01-494-2695
Federal Supply Class:
5305
National Item Identification Number:
014942695
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:
| 917AS20817 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | HFBX032008 | 1EHS4 | AMERICAN FASTENER TECHNOLOGIES CORP | | HFBX032008 | 5Z729 | AMERICAN FASTENER TECHNOLOGIES CORP |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.087 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.519 INCHES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | HARDNESS RATING | 41.0 ROCKWELL C MINIMUM OVERALL AND 46.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.290 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL COMP XM-13 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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