5306-00-034-3064, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-034-3064

Federal Supply Class:
5306

National Item Identification Number:
000343064

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:

628927	0PYA5	CONTINENTAL MOTORS, INC.
628927	28839	TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.126 INCHES NOMINAL FIRST HOLE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.190 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.660 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.660 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.040 INCHES NOMINAL
FASTENER LENGTH	2.250 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.315 INCHES MINIMUM
HEAD HEIGHT	0.220 INCHES NOMINAL
HEAD STYLE	HEXAGON
MINIMUM TENSILE STRENGTH	175000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.079 INCHES MINIMUM AND 0.084 INCHES MAXIMUM FIRST HOLE
THREAD CLASS	3A
THIRD DIAMETER FROM HEAD	0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
THREAD LENGTH	0.590 INCHES NOMINAL
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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