5306-00-228-3424, BOLT,EXTERNALLY RELIEVED BODY

1730-00-228-3429 ADAPTER,GROUND HANDLING EQUIPMEN

National Stock Number:
5306-00-228-3424

Federal Supply Class:
5306

National Item Identification Number:
002283424

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:

52103-1	1DC28	HELICOPTER PARTS SERVICE INC
52103-1	89446	HILLER AIRCRAFT CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.966 INCHES MINIMUM
FASTENER LENGTH	5.052 INCHES MINIMUM AND
	5.072 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
MINIMUM TENSILE STRENGTH	100000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.500 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.500 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.802 INCHES MINIMUM AND
	4.822 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.134 INCHES MINIMUM AND
	0.154 INCHES MAXIMUM FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.999 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.646 INCHES MINIMUM AND
	0.666 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	3.896 INCHES MINIMUM AND
	3.916 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	4.086 INCHES MINIMUM AND
	4.106 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE	1DC28
DESIGN CONTROL REFERENCE	52103-1

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