5306-00-208-5393, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-208-5393

Federal Supply Class:
5306

National Item Identification Number:
002085393

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:

6708746	24617	GENERAL MOTORS CORP
6708746	73342	ALLISON TRANSMISSION INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.047 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.312 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.281 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.328 INCHES NOMINAL
HEAD HEIGHT	0.281 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 321 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.3435 TO 0.3459 INCHES
SECOND DIAMETER FROM HEAD	0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.552 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.969 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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