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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
F1978 HERWAYTHORN SA

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.744 INCHES MINIMUM
AAUB HOLE DIAMETER 0.125 INCHES NOMINAL
CBBL FEATURES PROVIDED FINISHED HEAD
AAJD THREAD CLASS 3A
AASU HEAD HEIGHT 0.375 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 0.750 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
ANEE GRIP LENGTH 1.937 INCHES MINIMUM
AAJF THREAD DIRECTION RIGHT-HAND
ASXK HOLE QUANTITY 3
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNC
AASK HEAD STYLE HEXAGON
CRHC HOLE CONFIGURATION STYLE HEXAGON FLATS
BQDM HOLE TYPE DRILLED
AASB FASTENER LENGTH 2.875 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 13

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