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National Stock Number:
5305-01-539-3170
Federal Supply Class:
5305
National Item Identification Number:
015393170
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:
| 3436663 | 45152 | OSHKOSH CORP | | 3436663 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCR, FLG, HEX .25-20X .75 G5DC | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | HEAD POINT MAX 0.409 IN MAX 0.433 IN, ASTM B117 PERFORMANCE: 1000 HRS. MIN TIME TO RED RUST, GRADE 5 PER SAE J429;FINISH TWO COATS DACROMET 320 | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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