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National Stock Number:
5305-99-839-7244
Federal Supply Class:
5305
National Item Identification Number:
998397244
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:
| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION | | G416/4792 ITEM 14 | K7705 | KNDS DEFENCE UK LIMITED | | G416/4792/14 | K7705 | KNDS DEFENCE UK LIMITED |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 24.58 MILLIMETERS MINIMUM AND 25.42 MILLIMETERS MAXIMUM | | HARDNESS RATING | 225.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM OVERALL | | HEAD HEIGHT | 5.35 MILLIMETERS MINIMUM AND 5.65 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 785 NEWTONS PER SQUARE MILLIMETER | | NOMINAL THREAD DIAMETER | 8.00 MILLIMETERS | | WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM | | STRENGTH GRADE DESIGNATION | 8.8 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF-STAN 03-20 MIL STD 1ST TREATMENT RESPONSE AND DEF SPEC 130 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 22.00 MILLIMETERS MINIMUM AND 24.50 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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