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National Stock Number:
5305-00-880-9789
Federal Supply Class:
5305
National Item Identification Number:
008809789
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:
| 734908PC131 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 0.969 INCHES MINIMUM AND | | 1.000 INCHES MAXIMUM | | FASTENER LENGTH | 1.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 2A | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 FED SPEC ALL TREATMENT RESPONSES OVERALL | | HEAD HEIGHT | 0.208 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
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