5306-00-846-3249, BOLT,EXTERNALLY RELIEVED BODY

5306-00-846-3247 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-846-3249

Federal Supply Class:
5306

National Item Identification Number:
008463249

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:

10901998

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	6.188 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	6.000 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	6.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	6.046 INCHES MINIMUM AND 6.049 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	7.500 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.938 INCHES NOMINAL
HEAD HEIGHT	0.625 INCHES NOMINAL
HEAD STYLE	HEXAGON
MINIMUM YIELD STRENGTH	120000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.000 INCHES
SECOND DIAMETER FROM HEAD	0.926 INCHES MINIMUM AND 0.929 INCHES MAXIMUM
SPECIAL FEATURES	FULL DOG POINT,0.438 IN. LG,0.885 IN. DIA
THIRD DIAMETER FROM HEAD	0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.812 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	12
WIDTH BETWEEN FLATS	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM

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