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National Stock Number:
5305-01-158-7831
Federal Supply Class:
5305
National Item Identification Number:
011587831
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:
| 270-0666 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 5305PL0815541 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5338735 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5521395 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 5521395 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| FASTENER LENGTH | 56.00 MILLIMETERS NOMINAL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 13.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE DIAMETER | 2.25 MILLIMETERS MINIMUM AND 2.50 MILLIMETERS MAXIMUM | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 30.0 MILLIMETERS NOMINAL | | SURFACE FINISH | 3.0 MICROMETERS GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-87115,CL 1 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-C-83488,CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL OR ALUMINUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 42.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.5 |
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