4820-01-450-5574 VALVE,GATE Index 5310-01-450-5576 WASHER,FLAT

National Stock Number:
5306-01-450-5575

Federal Supply Class:
5306

National Item Identification Number:
014505575

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:
1150955224617GENERAL MOTORS CORP
115095527X677GENERAL MOTORS LLC


Techincal Specification:
EXTENDED WASHER DIAMETER24.7 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS1.8 MILLIMETERS MINIMUM
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
HEAD HEIGHT11.9 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIALSTEEL PROPERTY CLASS 9.8 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH BETWEEN FLATS14.57 MILLIMETERS MINIMUM AND 15.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH10.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.75


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