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National Stock Number:
5305-01-620-0665
Federal Supply Class:
5305
National Item Identification Number:
016200665
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:
| 92323A516 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.0156 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.5625 INCHES NOMINAL | | FASTENER LENGTH | 0.75 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.25 INCHES | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.75 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | SPECIAL FEATURES | UNDERSIDE OF WASHER IS SERRATED; OEM NAME: NATIONAL THREADED FASTENERS (NO VALID CAGE CODE) PART NUMBER: 25C75SFS5Z | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
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