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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

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQFM HARDNESS RATING 100.0 ROCKWELL B MAXIMUM OVERALL
CQFM HARDNESS RATING 100.0 ROCKWELL B MAXIMUM OVERALL
AATB WIDTH BETWEEN FLATS 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AASU HEAD HEIGHT 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM
CBBL FEATURES PROVIDED FINISHED HEAD
CQBC MINIMUM TENSILE STRENGTH 69000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 18
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 0.875 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL STEEL OVERALL
AASB FASTENER LENGTH 0.875 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
FEAT SPECIAL FEATURES SURFACE TREATMENT ZINC PLATING ASTM B633
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES

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