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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
I9008 INTERNATIONAL ORGANIZATION FOR STAND

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION DIN 267 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
AASA THREAD LENGTH 38.0 MILLIMETERS NOMINAL
AHYM NOMINAL THREAD DIAMETER 8.0 MILLIMETERS
MATT MATERIAL STEEL PROPERTY CLASS 8.8 OVERALL
AATB WIDTH BETWEEN FLATS 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
MDCL MATERIAL DOCUMENT AND CLASSIFICATION DIN 961 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CQWR EXTERNAL THREAD TOLERANCE CLASS 6G
AASU HEAD HEIGHT 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM
CQQR THREAD PITCH IN MILLIMETERS 1.25
AASK HEAD STYLE HEXAGON
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
THSD THREAD SERIES DESIGNATOR M
AASB FASTENER LENGTH 40.0 MILLIMETERS NOMINAL

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