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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
00198 PRATT AND WHITNEY CANADA INC WHITNEY

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.625 INCHES MINIMUM
AASA THREAD LENGTH 0.625 INCHES MINIMUM
CBBL FEATURES PROVIDED FINISHED HEAD
AASU HEAD HEIGHT 0.219 INCHES NOMINAL
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
CSYM SURFACE FINISH 63.0 MICROINCHES GRIP
AAJF THREAD DIRECTION RIGHT-HAND
SFTT SURFACE TREATMENT ALUMINUM OVERALL
MATT MATERIAL STEEL COMP 8740 OVERALL
CSYM SURFACE FINISH 63.0 MICROINCHES BEARING SURFACE OF HEAD
THSD THREAD SERIES DESIGNATOR UNF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
AASK HEAD STYLE HEXAGON
AATB WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AASB FASTENER LENGTH 1.344 INCHES NOMINAL

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