5306-01-153-0226 BOLT,SHEAR Index 5305-01-153-0228 SCREW,SHOULDER

National Stock Number:
5305-01-153-0227

Federal Supply Class:
5305

National Item Identification Number:
011530227

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
1402893011862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
140289307X677GENERAL MOTORS LLC
558869034623AM GENERAL LLC


Techincal Specification:
EXTENDED WASHER DIAMETER21.5 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6G
EXTENDED WASHER THICKNESS1.8 MILLIMETERS MINIMUM AND 3.6 MILLIMETERS MAXIMUM
FASTENER LENGTH109.5 MILLIMETERS MINIMUM AND 111.0 MILLIMETERS MAXIMUM
HEAD HEIGHT9.1 MILLIMETERS MINIMUM AND 10.9 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONGM 500-M 9.8,FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH900 MEGAPASCALS
NOMINAL THREAD DIAMETER10.0 MILLIMETERS
SPECIAL FEATURESCONCAVE DIAMOND KNURLED 16 IMPRESSIONS MAX. EQUALLY SPACED ON 17.0 OF GRIP
WIDTH BETWEEN FLATS14.7 MILLIMETERS MINIMUM AND 15.0 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM 4342-M CODE 20D48,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH17.0 MILLIMETERS MINIMUM AND 18.5 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS1.5
THREAD SERIES DESIGNATORM


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