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		                        | National Stock Number:
 5305-01-476-8614
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 014768614
 
 Description:
 SCREW,CAP,SOCKET HEAD
 
 Detail:
 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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 Manufacturer Information:
 
 | 1614365-24 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |  | 1614365-24 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | FF-S-86E | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | 1614365-24 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.500 INCHES |  | THREAD QUANTITY PER INCH | 13 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.890 INCHES NOMINAL |  | FASTENER LENGTH | 5.250 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE AND |  |  | FF-S-86E FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | ZINC OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325, TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND |  |  | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.735 INCHES MINIMUM AND |  |  | 0.750 INCHES MAXIMUM |  | HEAD HEIGHT | 0.492 INCHES MINIMUM AND |  |  | 0.500 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |  | LOCKING FEATURE | PATCH FASTENER |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 81348 |  | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86E | 
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