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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
74965 CLARK-RELIANCE CORPORATION DBA JERGU

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQFM HARDNESS RATING 25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
CQFM HARDNESS RATING 25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
ZZZT NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 10P STYLE
AAJD THREAD CLASS 3A
AASU HEAD HEIGHT 0.375 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AASA THREAD LENGTH 0.688 INCHES MINIMUM
ZZZX DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY MATERIAL,TENSILE STRENGTH,ROCKWELL HARDNESS,HEAD DIM,AND THD LENGTH
AHYM NOMINAL THREAD DIAMETER 0.500 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AASB FASTENER LENGTH 2.156 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNC
CQBC MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
AASK HEAD STYLE HEXAGON
CBBL FEATURES PROVIDED UNFINISHED HEAD
CMLP THREAD QUANTITY PER INCH 13
AATB WIDTH BETWEEN FLATS 0.812 INCHES NOMINAL

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