5306-00-867-7887, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-867-7887

Federal Supply Class:
5306

National Item Identification Number:
008677887

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:

3001T71P02	0UCY9	M.S. AEROSPACE INC.
3001T71P02	99207	GENERAL ELECTRIC COMPANY

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.128 INCHES MINIMUM AND
	0.151 INCHES MAXIMUM
FASTENER LENGTH	0.440 INCHES MINIMUM AND
	0.460 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	24.0 ROCKWELL C MINIMUM AND
	36.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.250 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.243 INCHES MINIMUM AND
	0.251 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.365 INCHES MINIMUM AND
	0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.040 INCHES MINIMUM AND
	0.050 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.189 INCHES MINIMUM AND
	0.190 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.150 INCHES MINIMUM AND
	0.155 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.255 INCHES MINIMUM AND
	0.275 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.309 INCHES MINIMUM AND
	0.322 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE	99207
DESIGN CONTROL REFERENCE	3001T71P02

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