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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 347 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| ANEE | GRIP LENGTH | 0.771 INCHES NOMINAL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AASA | THREAD LENGTH | 0.640 INCHES MINIMUM |
| AASU | HEAD HEIGHT | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.125 INCHES NOMINAL FIRST HOLE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | HEXAGON |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| AASB | FASTENER LENGTH | 1.328 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |