5306-00-741-3729, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-741-3729

Federal Supply Class:
5306

National Item Identification Number:
007413729

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:

230924	06853	BENDIX COMMERCIAL VEHICLE SYSTEMS LLC
459256	65282	WHITE MOTOR CORP
7413729	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
6B230924	23382	FWD SEAGRAVE HOLDINGS LP
57C187	45152	OSHKOSH CORP
57C187	75Q65	OSHKOSH DEFENSE LLC
SG1453	35311	AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.413 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.406 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.344 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FASTENER LENGTH	1.500 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.312 INCHES NOMINAL
HEAD DIAMETER	0.562 INCHES NOMINAL
HEAD HEIGHT	0.188 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL	STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.285 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES NOMINAL FIRST HOLE
THIRD DIAMETER FROM HEAD	0.312 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.500 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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