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National Stock Number:
5305-01-357-8362
Federal Supply Class:
5305
National Item Identification Number:
013578362
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:
| 12549143 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 2.500 INCHES NOMINAL | | FASTENER LENGTH | 2.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,TY2CL3 MIL STD SINGLE TREATMENT RESPONSE OR | | QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | HEAD HEIGHT | 0.320 INCHES MINIMUM AND | | 0.323 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | SPECIAL FEATURES | SCREW SHALL HAVE FULL FORM THREADS EXTENDING TO WITHIN 2 THREADS OF THEBEARING SURFACE OF THE HEAD; HYDROGEN EMBRITTLEMENT RELIEF MANDATORY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 12549143 |
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