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National Stock Number:
5305-01-256-6873
Federal Supply Class:
5305
National Item Identification Number:
012566873
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:
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.219 INCHES MINIMUM AND 0.229 INCHES MAXIMUM | | FASTENER LENGTH | 1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | JDM A17F CAGEC 75160 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | WIDTH BETWEEN FLATS | 0.620 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.278 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 11 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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