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National Stock Number:
5305-01-471-4848
Federal Supply Class:
5305
National Item Identification Number:
014714848
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:
| 8C-8478 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| FASTENER LENGTH | 140.0 MILLIMETERS NOMINAL | | GRIP LENGTH | 88.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 13.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | SPECIAL FEATURES | ZINC DICHROMATE PLATED | | THREAD PITCH IN MILLIMETERS | 2.5 | | THREAD LENGTH | 52.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 30.0 MILLIMETERS NOMINAL |
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