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		                             National Stock Number: 5305-01-474-5160
  Federal Supply Class: 5305
  National Item Identification Number: 014745160
  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:
 | 12387351-96 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.500 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.250 INCHES NOMINAL |  | FASTENER LENGTH | 1.210 INCHES MINIMUM AND |   | 1.250 INCHES MAXIMUM |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | ZINC AND |   | CHROMATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171, 1.9.2.3- EXCEPT CHROMATE TO BE BRONZE OR OLIVE DRAB FED STD SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |   | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 130000 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 |  | SPECIAL FEATURES | ITEM PER MS16998-96,EXCEPT FOR FINISH |   
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