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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AAUB | HOLE DIAMETER | 0.070 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AATB | WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.271 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 3 |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| AASA | THREAD LENGTH | 1.455 INCHES MINIMUM |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| AASB | FASTENER LENGTH | 1.781 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| BQDM | HOLE TYPE | DRILLED |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |