5306-00-638-4859, BOLT,EXTERNALLY RELIEVED BODY

5306-00-638-4858 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-638-4859

Federal Supply Class:
5306

National Item Identification Number:
006384859

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:

370109	70210	HONEYWELL INTERNATIONAL INC.
370109	72599	ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
370109	99193	HONEYWELL INTERNATIONAL INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.990 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.300 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
HARDNESS RATING	31.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	NICKEL ALLOY X-750 OVERALL
MINIMUM TENSILE STRENGTH	99000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2827 TO 0.2854 INCHES
SECOND DIAMETER FROM HEAD	0.240 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.310 INCHES MINIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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