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National Stock Number:
5305-01-535-1389
Federal Supply Class:
5305
National Item Identification Number:
015351389
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:
| 88-20260-43 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER | | B18.6.3 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 0.880 INCHES NOMINAL | | FASTENER LENGTH | 1.098 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 15 | | MATERIAL DOCUMENT AND CLASSIFICATION | ANSI B18.6.3 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.208 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.545 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE QUANTITY | 1 | | SUPPLEMENTARY FEATURES | MRCS AATC JAB0.624 AND JAC0.676; AATDJAB0.035 AND JAC0.055 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX WASHERHEAD |
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