5306-00-930-4117, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-930-4117

Federal Supply Class:
5306

National Item Identification Number:
009304117

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:

30665-507-3

94756

THE BOEING COMPANY

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.357 INCHES MINIMUM AND
	0.377 INCHES MAXIMUM
FASTENER LENGTH	1.600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.380 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.365 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.560 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.120 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
FIRST DIAMETER FROM HEAD	0.352 INCHES MINIMUM AND
	0.358 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.374 INCHES NOMINAL
THIRD DIAMETER FROM HEAD	0.236 INCHES MINIMUM AND
	0.246 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.030 INCHES MINIMUM AND
	0.035 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.133 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.233 INCHES NOMINAL

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