5306-00-366-2863, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-366-2863

Federal Supply Class:
5306

National Item Identification Number:
003662863

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:

8034705	24617	GENERAL MOTORS CORP
8034705	72915	GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
8075411PC8034705	24617	GENERAL MOTORS CORP
8208429	24617	GENERAL MOTORS CORP
8075411PC8034705	72915	GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
81129S41-575411PC8034705	80064	NAVAL SHIP SYSTEMS COMMAND
8208429	72915	GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
8208429	82796	COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.922 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	5.875 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	6.062 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.875 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	7.719 INCHES MINIMUM AND 7.781 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	1.750 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	1.500 INCHES NOMINAL
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	2.250 INCHES NOMINAL
HEAD HEIGHT	1.125 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL	STEEL COMP 3140 OVERALL
NOMINAL THREAD DIAMETER	1.500 INCHES
SECOND DIAMETER FROM HEAD	1.375 INCHES NOMINAL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	1.750 INCHES NOMINAL
THREAD LENGTH	1.688 INCHES MINIMUM
THREAD QUANTITY PER INCH	12
THREAD SERIES DESIGNATOR	UNF

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