5305-01-187-8757 SCREW,MACHINE Index 5306-01-187-8759 BOLT,SQUARE NECK

National Stock Number:
5305-01-187-8758

Federal Supply Class:
5305

National Item Identification Number:
011878758

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:
941660211862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
94166027X677GENERAL MOTORS LLC


Techincal Specification:
EXTENDED WASHER DIAMETER0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1013 OR STEEL COMP 1011 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT STYLEFLAT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM-4435-M,CODE A,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM


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