5306-01-296-2850 BOLT,MACHINE Index 5305-01-296-2852 SCREW,TAPPING

National Stock Number:
5305-01-296-2851

Federal Supply Class:
5305

National Item Identification Number:
012962851

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:
6242953-LE853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
COLORGRAY/GREY FASTENER
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 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 FEATUREPELLET OR STRIP OR PATCH THREADS
MATERIALPLASTIC POLYAMIDE (NYLON) LOCKING FEATURE
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP XM-7 FASTENER
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCADMIUM FASTENER
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.137 INCHES MINIMUM
THREAD CLASS3A
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH16


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