5306-00-709-0690, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-709-0690

Federal Supply Class:
5306

National Item Identification Number:
007090690

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:

M-1016

14541

COOPER MACHINERY SERVICES LLC

Techincal Specification:

ASKEWED HEAD ANGLE	45.0 DEGREES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT	0.531 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	4.000 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.375 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	6.250 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.500 INCHES NOMINAL
FASTENER LENGTH	8.437 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.750 INCHES NOMINAL
FOURTH DIAMETER FROM HEAD	0.750 INCHES NOMINAL
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.375 INCHES NOMINAL
HEAD HEIGHT	0.500 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL	STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.875 INCHES
SECOND DIAMETER FROM HEAD	0.750 INCHES NOMINAL
SPECIAL FEATURES	TWO 9/64 DRILL HOLES 7/32X90 DEG ON 5/16 IN. BC ON THREAD END
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.874 INCHES NOMINAL
THREAD LENGTH	1.687 INCHES MAXIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNF

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