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National Stock Number:
5305-01-622-3012
Federal Supply Class:
5305
National Item Identification Number:
016223012
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:
| 4076871112 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| COLOR | OLIVE DRAB OVERALL | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FINISH SHALL BE A, ELECTRODEPOSITED ZINC COATING IAW ASTM F 1941M, TYPE 8DT, HEXAVALENT CHROMIUM FREE, AND SHALL MEET OR EXCEED THE 96 HOUR SALT FOG REQUIREMENT PER ASTM B117. FINISH SHALL BE FLAT GLOSS IAW FED STD 595. OR B, ELECTRODEPOSITED ZINC COATING IAW ASTM B 633, SC2, TYPE VI, HEXAVALENT CHROMIUM FREE, AND SHALL MEET OR EXCEED THE 96 HOUR SALT FOG REQUIREMENT PER ASTM B117, FINISH SHALL BE FLAT GLOSS IAW FED-STD-595. OR C, ZING PHOSPHATE WITH ZINC RICH EPOXY RESIN COATING IAW ASTM F 1137, GRADE III. ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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