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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
SCY13 E.C.A ETABLISSEMENT CENTRAL DES APPR

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.803 INCHES MINIMUM AND 0.823 INCHES MAXIMUM
AASU HEAD HEIGHT 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
CQFM HARDNESS RATING 24.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
CBBL FEATURES PROVIDED FINISHED HEAD
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL COMP 3135 OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AASB FASTENER LENGTH 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
AASK HEAD STYLE HEXAGON
CMLP THREAD QUANTITY PER INCH 20
AATB WIDTH BETWEEN FLATS 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM

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