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		                        | National Stock Number:
 5305-01-512-4210
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 015124210
 
 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:
 
 | 940549 | 62983 | EATON AEROSPACE, LLC |  | 940549 | 90166 | EATON AEROSPACE, LLC | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNRC |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | FASTENER LENGTH | 0.625 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HEAD STYLE | FLAT CHAMFER |  | INTERNAL DRIVE STYLE | HEXAGON | 
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