5306-01-331-7335, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-331-7335

Federal Supply Class:
5306

National Item Identification Number:
013317335

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:

5306-001-5D2676	S7549	AIDC/AEROSPACE INDUSTRIAL DEVELOPMENT CORP.
71657H-5-2676	56878	SPS TECHNOLOGIES, LLC
AIC4356-5D2676	06725	SPS TECHNOLOGIES, LLC
SII 1058-5D2676	57928	SONIC INDUSTRIES, INC.
VS2986-5D-2676	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.891 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	2.666 INCHES MINIMUM AND 2.686 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.765 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.435 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	3.051 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.3119 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.2500 INCHES
SECOND DIAMETER FROM HEAD	0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS672 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.286 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	28
WIDTH BETWEEN FLATS	0.435 INCHES NOMINAL

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