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		                        | National Stock Number:
 5305-01-345-3744
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 013453744
 
 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:
 
 | 911604-06 | 70318 | ALLMETAL SCREW PRODUCTS CORP |  | 911604-06 | 90536 | LOCKHEED MARTIN CORP | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.138 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.470 INCHES MINIMUM AND |  |  | 0.562 INCHES MAXIMUM |  | FASTENER LENGTH | 0.532 INCHES MINIMUM AND |  |  | 0.562 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 302 OR |  |  | STEEL COMP 303 OR |  |  | STEEL COMP 303SE OR |  |  | STEEL COMP 304 OR |  |  | STEEL COMP 316 OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.218 INCHES MINIMUM AND |  |  | 0.226 INCHES MAXIMUM |  | HEAD HEIGHT | 0.134 INCHES MINIMUM AND |  |  | 0.138 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.1094 INCHES MINIMUM AND |  |  | 0.1111 INCHES MAXIMUM | 
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