5306-01-175-5691, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-175-5691

Federal Supply Class:
5306

National Item Identification Number:
011755691

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:

9531M83	07482	GENERAL ELECTRIC COMPANY
9531M83P07	07482	GENERAL ELECTRIC COMPANY
VCA0002	06710	VALLEY-TODECO, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SIXTH DIAMETER	0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	0.837 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.045 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.095 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	6
FASTENER LENGTH	1.675 INCHES MINIMUM AND 1.695 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.253 INCHES MINIMUM AND 0.256 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.271 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
HEAD HEIGHT	0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
HEAD STYLE	DEE
MATERIAL	NICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.280 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
SIXTH DIAMETER FROM HEAD	0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.260 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.698 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	28

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