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		                        | National Stock Number:
 5305-01-029-2685
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010292685
 
 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:
 
 | 585-7056020 ITEM 84 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 585-7056020 ITEM 84L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 585-7056020 ITEM 84SQ | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | RE-B102252-2L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | RE-B102252-2SQ | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 585-8740730 REV - ITEM NO.80 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | REB102252-2SQ | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | REB102252-2 | 064T2 | DELT INDUSTRIES, INC. |  | REB102252-2 | 17283 | BEK, INC. |  | REB102252-2 | 1UF60 | U.S.A. SPARES INC. |  | REB102252-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | REB102252-2 | 7E947 | D. L. MARTIN CO. | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.500 INCHES |  | THREAD QUANTITY PER INCH | 13 |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 1.500 INCHES NOMINAL |  | FASTENER LENGTH | 3.750 INCHES NOMINAL |  | MATERIAL | NICKEL ALLOY K-500 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |  |  | 45.0 ROCKWELL C MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.735 INCHES MINIMUM AND |  |  | 0.750 INCHES MAXIMUM |  | HEAD HEIGHT | 0.500 INCHES NOMINAL |  | CHAMFER ANGLE | 45.0 DEGREES NOMINAL |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND |  |  | 0.379 INCHES MAXIMUM |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 53711 |  | DESIGN CONTROL REFERENCE | REB102252-2 | 
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