5306-00-912-4625, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-912-4625

Federal Supply Class:
5306

National Item Identification Number:
009124625

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:

8H1460

11083

CATERPILLAR INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.500 INCHES MINIMUM
FASTENER LENGTH	5.831 INCHES MINIMUM AND
	5.855 INCHES MAXIMUM
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	1E60 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.457 INCHES MINIMUM AND
	0.481 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.736 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.938 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.125 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FIRST DIAMETER FROM HEAD	0.559 INCHES MINIMUM AND
	0.565 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.499 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.433 INCHES MINIMUM AND
	0.443 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.499 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.375 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.500 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.768 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	4.812 INCHES NOMINAL
SPECIAL FEATURES	WITH HEADER POINT 45 DEGREE BY 0.188 IN. LG
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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