5305-01-150-4833, SETSCREW

National Stock Number:
5305-01-150-4833

Federal Supply Class:
5305

National Item Identification Number:
011504833

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:

393132	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
393132	7X677	GENERAL MOTORS LLC

Techincal Specification:

EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
FASTENER LENGTH	1.770 INCHES MINIMUM AND 1.800 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.312 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	GM 300-M FSCM 11862 MFR REF ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
POINT DIAMETER	0.240 INCHES MINIMUM AND 0.244 INCHES MAXIMUM
POINT LENGTH	1.190 INCHES MINIMUM AND 1.220 INCHES MAXIMUM
POINT STYLE	BALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	18
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM

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