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National Stock Number:
5305-01-301-9757
Federal Supply Class:
5305
National Item Identification Number:
013019757
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 THICKNESS | 1.2 MILLIMETERS MINIMUM | | EXTENDED WASHER DIAMETER | 18.0 MILLIMETERS MAXIMUM | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 99.3 MILLIMETERS MINIMUM AND 100.7 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 8.1 MILLIMETERS MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL PROPERTY CLASS 9.8 OVERALL OR STEEL PROPERTY CLASS 10.9 OVERALL OR STEEL PROPERTY CLASS 8.8 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 9.64 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 25.3 MILLIMETERS MINIMUM AND 26.7 MILLIMETERS MAXIMUM | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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