5306-01-198-5515, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-198-5515

Federal Supply Class:
5306

National Item Identification Number:
011985515

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

14077195	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
14077195	7X677	GENERAL MOTORS LLC
14077195-ND	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
5305PL0863665	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	6.7 MILLIMETERS MINIMUM AND 7.7 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	65.0 MILLIMETERS MINIMUM AND 68.0 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER	22.3 MILLIMETERS MINIMUM AND 22.9 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS	2.0 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS	4G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	96.50 MILLIMETERS MINIMUM AND 97.50 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD	11.9 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MINIMUM OVERALL
HEAD HEIGHT	11.4 MILLIMETERS MINIMUM AND 13.2 MILLIMETERS MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	GM 500M (10.9),FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
POINT STYLE	FLAT
SECOND DIAMETER FROM HEAD	10.7 MILLIMETERS MINIMUM AND 11.2 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	17.67 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	28.5 MILLIMETERS MINIMUM AND 32.5 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.75

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