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		                             National Stock Number: 5305-01-434-0504
  Federal Supply Class: 5305
  National Item Identification Number: 014340504
  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:
 | H20065C001 ITEM 139 | 98523 | JERED LLC |  | Z20065C094 | 98523 | JERED LLC |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.312 INCHES |  | THREAD QUANTITY PER INCH | 24 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.344 INCHES MINIMUM AND |   | 0.427 INCHES MAXIMUM |  | FASTENER LENGTH | 0.625 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |  | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |   | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 0.600 INCHES MINIMUM AND |   | 0.656 INCHES MAXIMUM |  | COUNTERSINK ANGLE | 80.0 DEGREES NOMINAL AND |   | 84.0 DEGREES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |   
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