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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
07866 WILTON CORP WILTON MACHINERY DIV

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AATB WIDTH BETWEEN FLATS 0.750 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 0.750 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
CQBC MINIMUM TENSILE STRENGTH 110000 POUNDS PER SQUARE INCH
AASA THREAD LENGTH 1.000 INCHES MINIMUM
CBBL FEATURES PROVIDED UNFINISHED HEAD
CMLP THREAD QUANTITY PER INCH 20
CRSQ COUNTERSINK ANGLE 89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM

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