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National Stock Number:
5305-00-453-1203
Federal Supply Class:
5305
National Item Identification Number:
004531203
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:
| A104 1-2A | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| FASTENER LENGTH | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM | | HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | WIDTH BETWEEN FLATS | 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.320 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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