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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

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
CBBL FEATURES PROVIDED FINISHED HEAD
AASA THREAD LENGTH 0.390 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
AAJD THREAD CLASS 3A
MATT MATERIAL STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AATB WIDTH BETWEEN FLATS 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
AASU HEAD HEIGHT 0.125 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
ANEE GRIP LENGTH 1.750 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
AASB FASTENER LENGTH 2.140 INCHES MINIMUM AND 2.187 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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