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National Stock Number:
5305-99-738-3960
Federal Supply Class:
5305
National Item Identification Number:
997383960
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:
| 4F/10632 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY | | BS1768 | K7766 | BRITISH STANDARDS INSTITUTION | | ML101-0512 | K0349 | M L AVIATION LTD INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD | | BS1768-TABLE 1 5/16 UNF X 1-1/2 | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| FASTENER LENGTH | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.201 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 PART 1 GRADE 080A23 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF-STAN 03-19 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL AND PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
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