5306-01-320-1332, BOLT,EXTERNALLY RELIEVED BODY

5306-01-320-1333 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-320-1332

Federal Supply Class:
5306

National Item Identification Number:
013201332

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:

4062062

77445

RTX CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.433 INCHES NOMINAL
FASTENER LENGTH	1.670 INCHES MINIMUM AND
	1.690 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE AND
	PWA-S-7477,CAGE77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HEAD HEIGHT	0.293 INCHES MINIMUM AND
	0.313 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.3125 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.428 INCHES MINIMUM AND
	0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.065 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FIRST DIAMETER FROM HEAD	0.308 INCHES MINIMUM AND
	0.310 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.194 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.180 INCHES MINIMUM AND
	1.190 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.247 INCHES NOMINAL
SPECIAL FEATURES	CENTER HEAD HOLE 0.140/0.160 IN. DIA X 0.135 IN. NOM DEEP
THE MANUFACTURERS DATA
MANUFACTURERS CODE	77445
DESIGN CONTROL REFERENCE	4062062

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