5306-00-611-3057, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-611-3057

Federal Supply Class:
5306

National Item Identification Number:
006113057

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:

362526	06725	SPS TECHNOLOGIES, LLC
362526	56878	SPS TECHNOLOGIES, LLC
362526	77445	RTX CORPORATION
362526	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT	0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD STYLE	SQUARE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
SECOND DIAMETER FROM HEAD	0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	1A
THREAD LENGTH	0.490 INCHES MINIMUM AND 0.573 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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