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 |
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 |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AATB | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQBC | MINIMUM TENSILE STRENGTH | 48000 POUNDS PER SQUARE INCH |
| AASB | FASTENER LENGTH | 3.000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AASU | HEAD HEIGHT | 0.205 INCHES NOMINAL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | C CLASS |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 2.000 INCHES NOMINAL |