5306-01-074-7422, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-074-7422

Federal Supply Class:
5306

National Item Identification Number:
010747422

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:

737371-1

98750

SAN ANTONIO AIR LOGISTICS CENTER

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.344 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.250 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.125 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.625 INCHES NOMINAL
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.158 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
HEAD STYLE	SQUARE
MATERIAL	STEEL COMP 4130 OVERALL
NOMINAL THREAD DIAMETER	0.625 INCHES
SECOND DIAMETER FROM HEAD	0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.688 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	18
WIDTH BETWEEN FLATS	1.125 INCHES NOMINAL

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