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 |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CQHQ | MINIMUM YIELD STRENGTH | 140000 POUNDS PER SQUARE INCH |
CQHQ | MINIMUM YIELD STRENGTH | 140000 POUNDS PER SQUARE INCH |
AATC | EXTENDED WASHER DIAMETER | 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
AAJD | THREAD CLASS | 3A |
AATD | EXTENDED WASHER THICKNESS | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AATB | WIDTH BETWEEN FLATS | 0.432 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 14 |
MATT | MATERIAL | STEEL OVERALL |
AASA | THREAD LENGTH | 1.250 INCHES MINIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
CQBC | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
AASB | FASTENER LENGTH | 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM |
AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
CBBL | FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD |
AASU | HEAD HEIGHT | 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |