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National Stock Number: 5305-01-415-0644
Federal Supply Class: 5305
National Item Identification Number: 014150644
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:
211069130 | 53711 | NAVAL SEA SYSTEMS COMMAND | 801-6408784-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
HEAD HEIGHT | 0.122 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | INTERNAL DRIVE STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | LOCKING FEATURE | PATCH OR | | STRIP OR | | PELLET THREADS | THREAD SERIES DESIGNATOR | UNRC | NOMINAL THREAD DIAMETER | 0.250 INCHES | THREAD QUANTITY PER INCH | 20 | THREAD CLASS | 3A | FASTENER LENGTH | 1.000 INCHES NOMINAL | MATERIAL | NICKEL ALLOY K-500 OVERALL | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM OVERALL | HEAD STYLE | PAN NO. 2 | HEAD DIAMETER | 0.419 INCHES MINIMUM AND | | 0.437 INCHES MAXIMUM |
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