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National Stock Number:
5305-01-047-9439
Federal Supply Class:
5305
National Item Identification Number:
010479439
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:
| FF-S-85 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS51099-139 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL | | FASTENER LENGTH | 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NONDEFINITIVE SPEC/STD DATA | II TYPE AND 10P STYLE | | WIDTH BETWEEN FLATS | 0.9220 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD LENGTH | 1.500 INCHES NOMINAL |
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