2910-00-741-8554 CARBURETOR,FLOAT Index 4920-00-741-8559 ARM,PIVOT,TEST

National Stock Number:
5306-00-741-8556

Federal Supply Class:
5306

National Item Identification Number:
007418556

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:
0001014153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
383574311862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
83882011862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
741855619207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
383574324617GENERAL MOTORS CORP
38357437X677GENERAL MOTORS LLC
83882023862MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
838820B23862MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
838820B24617GENERAL MOTORS CORP
83882024617GENERAL MOTORS CORP
8388207X677GENERAL MOTORS LLC
838820B7X677GENERAL MOTORS LLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.375 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.156 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH4.531 INCHES MINIMUM AND 4.594 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.386 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 5140 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
SECOND DIAMETER FROM HEAD0.443 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM


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