5306-01-472-3594, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-472-3594

Federal Supply Class:
5306

National Item Identification Number:
014723594

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:

114R2201-1	77272	THE BOEING COMPANY
114R2201-1	81205	THE BOEING COMPANY
114R2201-2	77272	THE BOEING COMPANY
114R2201-2	A0126	LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.330 INCHES MINIMUM AND
	0.430 INCHES MAXIMUM
FASTENER LENGTH	1.940 INCHES MINIMUM AND
	1.960 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.261 INCHES MINIMUM AND
	0.301 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.053 INCHES MINIMUM AND
	1.073 INCHES MAXIMUM
HOLE CONFIGURATION STYLE	HEXAGON CORNERS
HOLE TYPE	DRILLED
HOLE QUANTITY	3
HOLE DIAMETER	0.070 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.7476 INCHES MINIMUM AND
	0.7585 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD	0.410 INCHES MINIMUM AND
	0.430 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.470 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.570 INCHES NOMINAL

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