5306-00-576-7994, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-576-7994

Federal Supply Class:
5306

National Item Identification Number:
005767994

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:

332C209P6	07482	GENERAL ELECTRIC COMPANY
332C209P6	24446	GENERAL ELECTRIC COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.120 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
EXTENDED WASHER THICKNESS	0.060 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
FASTENER LENGTH	0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
HARDNESS RATING	42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE DIAMETER	0.062 INCHES NOMINAL
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE QUANTITY	4
HOLE TYPE	DRILLED
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
PRECIOUS MATERIAL	SILVER
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE TREATMENT	SILVER OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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