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National Stock Number:
5305-01-421-4218
Federal Supply Class:
5305
National Item Identification Number:
014214218
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:
| 2170750 | 45152 | OSHKOSH CORP | | 2211600 | 45152 | OSHKOSH CORP | | 2211600 | 75Q65 | OSHKOSH DEFENSE LLC | | 5-73-709 | 95019 | DANA CORP SPICER TRANSMISSION DIV |
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Techincal Specification:
| SPECIAL FEATURES | TOP OF HEAD INCLUDES 26 SERRATION SETS | | WIDTH BETWEEN FLATS | 0.489 INCHES NOMINAL | | SURFACE TREATMENT | PHOSPHATE AND OIL OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.520 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 0.520 INCHES NOMINAL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.195 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4037 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES |
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