5306-01-023-9056, BOLT,EXTERNALLY RELIEVED BODY

5306-01-023-9057 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-023-9056

Federal Supply Class:
5306

National Item Identification Number:
010239056

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:

17A5701P07

07482

GENERAL ELECTRIC COMPANY

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.500 INCHES
THREAD QUANTITY PER INCH	13
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.060 INCHES NOMINAL
FASTENER LENGTH	4.930 INCHES NOMINAL
MATERIAL	STEEL COMP 4130 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING	27.0 ROCKWELL C MINIMUM AND
	34.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.380 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.090 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FIRST DIAMETER FROM HEAD	0.720 INCHES NOMINAL
SECOND DIAMETER FROM HEAD	0.495 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.375 INCHES MINIMUM
FOURTH DIAMETER FROM HEAD	0.495 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.870 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.930 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	3.120 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	3.610 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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