5306-00-142-4759, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-142-4759

Federal Supply Class:
5306

National Item Identification Number:
001424759

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:

327B460P4	22819	BOEING DISTRIBUTION, INC.
327B460P4	99207	GENERAL ELECTRIC COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.448 INCHES MINIMUM AND 0.468 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.538 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	3
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH	0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.142 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
HEAD HEIGHT	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SECOND DIAMETER FROM HEAD	0.202 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE TREATMENT	NICKEL OVERALL
THIRD DIAMETER FROM HEAD	0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.272 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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