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		                        | National Stock Number:
 5305-01-021-1510
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010211510
 
 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:
 
 | 73573-95-22C | 56878 | SPS TECHNOLOGIES, LLC |  | 965811-271C | 82577 | RAYTHEON COMPANY |  | AIC811-08-22 | 06725 | SPS TECHNOLOGIES, LLC |  | A0L4166-271 | 57472 | ALL MANUFACTURERS, INC. | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNJC |  | NOMINAL THREAD DIAMETER | 0.164 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.360 INCHES MINIMUM AND |  |  | 1.469 INCHES MAXIMUM |  | FASTENER LENGTH | 1.422 INCHES MINIMUM AND |  |  | 1.469 INCHES MAXIMUM |  | MATERIAL | IRON ALLOY 660 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.262 INCHES MINIMUM AND |  |  | 0.270 INCHES MAXIMUM |  | HEAD HEIGHT | 0.159 INCHES MINIMUM AND |  |  | 0.164 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND |  |  | 0.143 INCHES MAXIMUM | 
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