5330-00-575-9791 PACKING WITH RETAINER Index 6110-00-575-9795 PANEL,POWER DISTRIBUTION

National Stock Number:
5306-00-575-9792

Federal Supply Class:
5306

National Item Identification Number:
005759792

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:
80573034623AM GENERAL LLC
832967719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.188 INCHES MINIMUM AND 3.562 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.188 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH4.250 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.432 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.328 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1340 OR STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8640 OVERALL
NOMINAL THREAD DIAMETER0.437 INCHES
SECOND DIAMETER FROM HEAD0.386 INCHES MINIMUM AND 0.394 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.675 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
THREAD QUANTITY PER INCH14
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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