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:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.120 INCHES NOMINAL
FASTENER LENGTH1.350 INCHES MINIMUM AND
1.380 INCHES MAXIMUM
MATERIALSTEEL COMP 4037 OR
STEEL COMP 8637 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
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
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
34.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.272 INCHES MINIMUM AND
0.291 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.798 INCHES MINIMUM AND
0.812 INCHES MAXIMUM
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
LOCKING FEATURESTRIP THREADS
POINT STYLEFLAT
POINT CHAMFER ANGLE60.0 DEGREES MINIMUM AND
65.0 DEGREES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE7X677
DESIGN CONTROL REFERENCE3954730


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