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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
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AATB WIDTH BETWEEN FLATS 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
CBBL FEATURES PROVIDED FINISHED HEAD
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL OVERALL
CQFM HARDNESS RATING 95.0 ROCKWELL B MAXIMUM OVERALL
AASB FASTENER LENGTH 1.125 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 16
THSD THREAD SERIES DESIGNATOR UNC
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 1 GRADE
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 1.000 INCHES MINIMUM
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
CQBC MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
AASU HEAD HEIGHT 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM

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