5306-00-135-1401, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-135-1401

Federal Supply Class:
5306

National Item Identification Number:
001351401

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:

6865512	73342	ALLISON TRANSMISSION INC
6865512	K5974	ROLLS-ROYCE PLC NAVAL MARINE

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.880 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.438 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
EXTENDED WASHER THICKNESS	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
FASTENER LENGTH	1.562 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
HEAD HEIGHT	0.303 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.312 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.622 INCHES MINIMUM AND 0.682 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNJF

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