5305-01-321-8571 SETSCREW Index 5305-01-321-8573 SETSCREW

National Stock Number:
5305-01-321-8572

Federal Supply Class:
5305

National Item Identification Number:
013218572

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:
12779624617GENERAL MOTORS CORP
1277967X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
HEAD STYLESQUARE
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLECUP
WIDTH BETWEEN FLATS0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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