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 |
|---|---|
| 99238 | AIR FORCE STANDARD |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AASU | HEAD HEIGHT | 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQBC | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| AASA | THREAD LENGTH | 1.250 INCHES MINIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | C CLASS |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 7.500 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 13 |