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National Stock Number:
5305-01-218-8279
Federal Supply Class:
5305
National Item Identification Number:
012188279
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:
| 3999023 | 45152 | OSHKOSH CORP | | 3999023 | 75Q65 | OSHKOSH DEFENSE LLC | | 991 8744 | 34914 | HIAB USA INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | FASTENER LENGTH | 127.00 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 9 | | THREAD CLASS | 2A | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND | | 31.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 91000 POUNDS PER SQUARE INCH |
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