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National Stock Number:
5305-01-242-5969
Federal Supply Class:
5305
National Item Identification Number:
012425969
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:
| 032374T | 59556 | KOVATCH CORP. | | 3918571 | 15434 | CUMMINS INC. | | 835022A0205-4 | 01365 | MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 1.327 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | FASTENER LENGTH | 1.438 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND | | 0.211 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM |
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