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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE

Definition:

AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.

CAGE Information

Code Company
24617 GENERAL MOTORS CORP

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 1.125 INCHES
AHYM NOMINAL THREAD DIAMETER 1.125 INCHES
AATB WIDTH BETWEEN FLATS 1.687 INCHES NOMINAL
CBBL FEATURES PROVIDED FINISHED HEAD
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 32.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL
AAWB SHANK UNTHREADED HOLE DIAMETER 0.221 INCHES NOMINAL FIRST HOLE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL STEEL COMP 1212 OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AASU HEAD HEIGHT 0.875 INCHES NOMINAL
AASB FASTENER LENGTH 9.187 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 140000 POUNDS PER SQUARE INCH
AASA THREAD LENGTH 2.000 INCHES NOMINAL
AASK HEAD STYLE HEXAGON
CMLP THREAD QUANTITY PER INCH 12
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 8.775 INCHES NOMINAL FIRST HOLE

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