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 |
---|---|
39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CQHQ | MINIMUM YIELD STRENGTH | 57000 POUNDS PER SQUARE INCH |
AASB | FASTENER LENGTH | 3.440 INCHES MINIMUM AND 3.500 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CBBL | FEATURES PROVIDED | FINISHED HEAD AND HEX NUT |
MATT | MATERIAL | STEEL OVERALL |
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 |
AASK | HEAD STYLE | HEXAGON |
AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CQBC | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH |
CMLP | THREAD QUANTITY PER INCH | 20 |