5305-01-325-1970 SCREW,EXTERNALLY RELIEVED BODY Index 5306-01-325-1972 BOLT,SQUARE NECK

National Stock Number:
5305-01-325-1971

Federal Supply Class:
5305

National Item Identification Number:
013251971

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
91385A57639428MCMASTER-CARR SUPPLY CO


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH THREADS
MATERIALPLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIALSTEEL FASTENER
NOMINAL THREAD DIAMETER0.312 INCHES
POINT STYLECUP
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH18
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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