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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
72560 GENERAL MOTORS CORP DELCO PRODUCTS D

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQHQ MINIMUM YIELD STRENGTH 85000 POUNDS PER SQUARE INCH
AASA THREAD LENGTH 1.125 INCHES MINIMUM
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
CBBL FEATURES PROVIDED FINISHED HEAD
ANEE GRIP LENGTH 0.875 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 0.625 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
CMLP THREAD QUANTITY PER INCH 14
AASU HEAD HEIGHT 0.281 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
AASB FASTENER LENGTH 2.000 INCHES NOMINAL
SFTT SURFACE TREATMENT PASSIVATE OVERALL
CQFM HARDNESS RATING 23.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL

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