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National Stock Number:
5305-01-523-0096
Federal Supply Class:
5305
National Item Identification Number:
015230096
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:
| B1821BH088C350D | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
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Techincal Specification:
| FASTENER LENGTH | 3.500 INCHES NOMINAL | | HEAD HEIGHT | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | HOLE DIAMETER | 0.123 INCHES MINIMUM AND 0.131 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL UNS K04100 OVERALL | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE 2 ASSN STD 1ST TREATMENT RESPONSE AND ASTM B201 ASSN STD 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 9 | | THREAD SERIES DESIGNATOR | UNC |
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