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National Stock Number:
5305-01-344-8899
Federal Supply Class:
5305
National Item Identification Number:
013448899
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:
| 10025461 | 61C19 | MIL-COTS CORPORATION | | 110961 | 0Y3H3 | FASTENAL COMPANY | | 1606140 | 45152 | OSHKOSH CORP | | 1606140 | 75Q65 | OSHKOSH DEFENSE LLC | | WC0210PB | 52167 | R B AND W CORP |
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Techincal Specification:
| COLOR | YELLOW OVERALL | | CRITICALITY CODE JUSTIFICATION | FEAT | | EXTENDED WASHER DIAMETER | 0.560 INCHES MAXIMUM | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD STYLE | CHAMFER FLANGE | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCR, FLG, HEX .25-20X.75 G5 ZY | | PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | NHA NSN 2510-01-354-5446 CAB ASSEMBLY; WEAPON SYSTEM ESSENTIAL | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY2,CL3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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