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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
F0301 SNECMA MOTEURS GROUPE SNECMA

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
THSD THREAD SERIES DESIGNATOR UNJF
CBBL FEATURES PROVIDED FINISHED HEAD
AAJD THREAD CLASS 3A
AATD EXTENDED WASHER THICKNESS 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AATC EXTENDED WASHER DIAMETER 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
AATB WIDTH BETWEEN FLATS 0.3125 INCHES NOMINAL
AASU HEAD HEIGHT 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 0.740 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
AASK HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
MATT MATERIAL NICKEL ALLOY 718 OVERALL
AASB FASTENER LENGTH 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
ANEE GRIP LENGTH 1.369 INCHES MINIMUM AND 1.375 INCHES MAXIMUM

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