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 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 431 OVERALL |
| ANEE | GRIP LENGTH | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AAJD | THREAD CLASS | 3A |
| AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 1 |
| AASB | FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| AASK | HEAD STYLE | HEXAGON |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| AATB | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| BQDM | HOLE TYPE | DRILLED |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |