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Part Number

Part Number:
NSN:
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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
19207 U S ARMY TANK AUTOMOTIVE COMMAND AMS

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
CBBL FEATURES PROVIDED FINISHED HEAD
AAJD THREAD CLASS 3A
AATB WIDTH BETWEEN FLATS 0.562 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL OVERALL
AASU HEAD HEIGHT 0.281 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 1.000 INCHES MINIMUM
AASB FASTENER LENGTH 1.062 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
CQFM HARDNESS RATING 21.0 ROCKWELL C MINIMUM OVERALL AND 27.0 ROCKWELL C MAXIMUM OVERALL

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