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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
D9182 BOSCH REXROTH GMBH LOHMANN STOLTERFO

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CBBL FEATURES PROVIDED FINISHED HEAD
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
AATB WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
AASB FASTENER LENGTH 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
ZZZT NONDEFINITIVE SPEC/STD DATA 1 TYPE
CQHQ MINIMUM YIELD STRENGTH 40000 POUNDS PER SQUARE INCH
CQFM HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
AASU HEAD HEIGHT 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 0.750 INCHES NOMINAL
MATT MATERIAL NICKEL ALLOY 400 OVERALL
CMLP THREAD QUANTITY PER INCH 20

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