3120-01-441-7438 BEARING,PLAIN,SELF-ALIGNING Index 3120-01-441-7440 BUSHING,SLEEVE

National Stock Number:
5306-01-441-7439

Federal Supply Class:
5306

National Item Identification Number:
014417439

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
1150505024617GENERAL MOTORS CORP
115050507X677GENERAL MOTORS LLC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH85.0 MILLIMETERS NOMINAL
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
THREAD LENGTH46.0 MILLIMETERS MINIMUM AND
58.5 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER20.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS2.5
THREAD CLASSAL
EXTERNAL THREAD TOLERANCE CLASS6G
MATERIAL DOCUMENT AND CLASSIFICATIONGM500-M, CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM4435-M, CAGE 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HEAD HEIGHT12.12 MILLIMETERS MINIMUM AND
12.88 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS29.35 MILLIMETERS MINIMUM AND
30.00 MILLIMETERS MAXIMUM


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