5306-01-262-6730, BOLT,EXTERNALLY RELIEVED BODY

5325-01-262-6731 RECEPTACLE,TURNLOCK FASTENER

National Stock Number:
5306-01-262-6730

Federal Supply Class:
5306

National Item Identification Number:
012626730

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:

176C2141-4

05606

GENERAL DYNAMICS-OTS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.890 INCHES MINIMUM AND 1.950 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.625 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
HEAD HEIGHT	0.158 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
HOLE QUANTITY	3
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SPECIAL FEATURES	ALTERED ITEM FROM MS9502-31
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.705 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNJF

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