5305-01-162-7889 SCREW,TAPPING Index 5306-01-162-7892 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-162-7890

Federal Supply Class:
5305

National Item Identification Number:
011627890

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:
395473011862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
39547307X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH1.350 INCHES MINIMUM AND 1.380 INCHES MAXIMUM
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4037 OR STEEL COMP 8637 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
POINT STYLEFLAT
POINT CHAMFER ANGLE60.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
WIDTH BETWEEN FLATS0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONG.M.4342-M CODE 20 MFR REF SINGLE TREATMENT RESPONSE AND G.M.4400-M MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.120 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNRC


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