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		                             National Stock Number: 5305-01-346-2261
  Federal Supply Class: 5305
  National Item Identification Number: 013462261
  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:
 | 5959303-83 | 96169 | ELECTRIC BOAT CORPORATION |  | 6603688-VHBA-94 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 803-5959303-X-83 | 53711 | NAVAL SEA SYSTEMS COMMAND |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNRC |  | NOMINAL THREAD DIAMETER | 1.000 INCHES |  | THREAD QUANTITY PER INCH | 8 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 5.250 INCHES NOMINAL |  | FASTENER LENGTH | 5.500 INCHES NOMINAL |  | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |   | STEEL UNS K03104 FASTENER |  | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |  | SURFACE TREATMENT | ALUMINUM AND |   | CHROMATE OR |   | ZINC AND |   | CHROMATE FASTENER |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE OR |   | MIL-C-87115 CL 3 MIL SPEC 2ND TREATMENT RESPONSE FASTENER |  | HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND |   | 45.0 ROCKWELL C MAXIMUM FASTENER |  | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 1.479 INCHES MINIMUM AND |   | 1.500 INCHES MAXIMUM |  | HEAD HEIGHT | 0.988 INCHES MINIMUM AND |   | 1.000 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL |  | LOCKING FEATURE | PELLET OR |   | STRIP OR |   | PATCH THREADS |   
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