4520-00-576-7992 ELL,DUCT FITTING Index 5905-00-576-7995 RESISTOR,FIXED,FILM

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:
332C209P607482GENERAL ELECTRIC COMPANY
332C209P624446GENERAL ELECTRIC COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.120 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.062 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY4
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
PRECIOUS MATERIALSILVER
SURFACE TREATMENTSILVER OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM


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