5306-01-420-3615, BOLT,EXTERNALLY RELIEVED BODY

5306-01-420-3614 BOLT,EXTERNALLY RELIEVED BODY

5306-01-420-3616 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-420-3615

Federal Supply Class:
5306

National Item Identification Number:
014203615

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:

MS9733-13	0U583	SAE INTERNATIONAL
MS9733-13	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9733-13	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.938 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.128 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.303 INCHES NOMINAL
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	32 MICRO-INCH FINISH ON BEARING SURFACE OF HEAD, SHANK, AND THREADS
WIDTH BETWEEN FLATS	0.313 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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