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		                        | National Stock Number:
 5305-01-285-4619
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 012854619
 
 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:
 
 | 509440-1418 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.875 INCHES |  | THREAD QUANTITY PER INCH | 9 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | FASTENER LENGTH | 2.250 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5628 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 1.312 INCHES NOMINAL |  | HEAD HEIGHT | 0.875 INCHES NOMINAL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | 
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