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 |
---|---|
61208 | TWIN DISC INCORPORATED |
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATB | WIDTH BETWEEN FLATS | 0.500 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.500 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
CMLP | THREAD QUANTITY PER INCH | 18 |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAUM | LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD |
CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
AASB | FASTENER LENGTH | 0.875 INCHES NOMINAL |
AASU | HEAD HEIGHT | 0.198 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AASK | HEAD STYLE | HEXAGON |
CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
CBBL | FEATURES PROVIDED | UNFINISHED HEAD |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |