5306-00-058-6573, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-058-6573

Federal Supply Class:
5306

National Item Identification Number:
000586573

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:

6840383-15	0UCY9	M.S. AEROSPACE INC.
6840383-15	24617	GENERAL MOTORS CORP
6840383-15	63005	ROLLS-ROYCE CORPORATION
6840383-15	73342	ALLISON TRANSMISSION INC

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.060 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.250 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	0.938 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.531 INCHES NOMINAL
HEAD HEIGHT	0.156 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.688 INCHES MINIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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