5306-01-080-3258, BOLT,EXTERNALLY RELIEVED BODY

7310-01-080-3259 OVEN,BAKING AND ROASTING,DECK

National Stock Number:
5306-01-080-3258

Federal Supply Class:
5306

National Item Identification Number:
010803258

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:

12267651	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
DAX13093	73342	ALLISON TRANSMISSION INC

Techincal Specification:

THREAD SERIES DESIGNATOR	M
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.75
THREAD CLASS	6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	20.6 MILLIMETERS MINIMUM AND
	24.0 MILLIMETERS MAXIMUM
FASTENER LENGTH	75.34 MILLIMETERS MINIMUM AND
	77.76 MILLIMETERS MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	FF-B-575,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	DISTORTED HEAD
HEAD HEIGHT	7.24 MILLIMETERS MINIMUM AND
	7.76 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	17.67 MILLIMETERS MINIMUM AND
	18.00 MILLIMETERS MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	9.82 MILLIMETERS MINIMUM AND
	10.0 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	46.0 MILLIMETERS MINIMUM AND
	47.5 MILLIMETERS MAXIMUM

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