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National Stock Number:
5305-00-010-4530
Federal Supply Class:
5305
National Item Identification Number:
000104530
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:
| SKS31 | 81381 | STEWART & STEVENSON POWER PRODUCTS LLC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.810 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.043 INCHES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD HEIGHT | 0.322 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | LOCKING FEATURE | LOCKING TEETH BEARING SURFACE OF HEAD | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.495 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.389 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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