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 |
|---|---|
| 11083 | CATERPILLAR INC. DBA CATERPILLAR DIV |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AASB | FASTENER LENGTH | 9.500 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 120000 POUNDS PER SQUARE INCH |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| AASA | THREAD LENGTH | 1.250 INCHES NOMINAL |
| ANEE | GRIP LENGTH | 8.250 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| AASU | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM |