5305-01-297-4074 SCREW,CAP,SOCKET HEAD Index 5305-01-297-4076 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-297-4075

Federal Supply Class:
5305

National Item Identification Number:
012974075

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.


Manufacturer Information:
6242952-6LL2453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
COLORGRAY/GREY FASTENER
FASTENER LENGTH1.460 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP THREADS
MATERIALPLASTIC POLYAMIDE (NYLON) LOCKING FEATURE
MATERIALSTEEL FASTENER
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-81751 TY 1,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCERAMIC FASTENER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH1.250 INCHES MINIMUM
THREAD SERIES DESIGNATORUNRF
THREAD QUANTITY PER INCH24


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