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National Stock Number:
5305-01-390-7063
Federal Supply Class:
5305
National Item Identification Number:
013907063
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:
| 211017122 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 595-6404638- FIND 16 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 595-6404638-16 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.750 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FORM 2 COND ANL(CD) AH FIN B FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | HOLE IN THREADS, 0.010 IN. DEEP, TO ACCOMMONDATE LOCKING PELLET. SHANK IS UNDERCUT TO 0.188 IN. DIA., 0.560 IN. FROM UNDERSIDE OF HEAD TO END OF SHANK | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 0.560 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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