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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
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
MATT MATERIAL STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4037 OVERALL
ANEE GRIP LENGTH 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE CROWNED HEXAGON
AASU HEAD HEIGHT 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNF
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
AASB FASTENER LENGTH 1.750 INCHES MINIMUM AND 1.812 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
AASA THREAD LENGTH 1.688 INCHES MINIMUM AND 1.781 INCHES MAXIMUM

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