NSN 3020-01-034-4788
Part Details | SPROCKET WHEEL
3020-01-034-4788 A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.
Alternate Parts: 2040107683, 204-010-768-3, 204010768003, 204-010-768-003, 3020-01-034-4788, 01-034-4788, 3020010344788, 010344788
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 25, 1977 | 01-034-4788 | 04456 ( SPROCKET WHEEL ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-01-034-4788
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 204-010-768-3 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
| 204-010-768-003 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
Technical Data | NSN 3020-01-034-4788
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM |
| PITCH DIAMETER | 1.248 INCHES MINIMUM AND 1.268 INCHES MAXIMUM |
| FACE WIDTH | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| DESIGN FORM | PLAIN |
| LIGHTENING HOLE | NOT INCLUDED |
| BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | SILENT CHAIN |
| GUIDE | INCLUDED |
| GUIDE TYPE | GROOVE |
| GROOVE QUANTITY | 1 |
| GROOVE POSITION | IN CENTER |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 21 |
| TOOTH PITCH | 0.188 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | B29.9-1958 |
| MATERIAL | 6$ECRES 410,QQ-S-763,CLASS 3,TYPE F |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 6, TYPE A FED SPEC 1ST MATERIAL RESPONSE |
| HARDNESS RATING TEST METHOD | NOT RATED |
| SURFACE TREATMENT | PASSIVATE |
| BORE BEARING | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE FEATURE | NOT INCLUDED |
| SPLINE QUANTITY | 21 |
| SPLINE MAJOR DIAMETER | 0.9000 INCHES MINIMUM AND 0.9081 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.8125 INCHES MINIMUM AND 0.8140 INCHES MAXIMUM |
| SPLINE LENGTH | 0.450 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE PITCH DIAMETER | 0.4219 INCHES MINIMUM AND 0.8438 INCHES MAXIMUM |
| SECURING METHOD | SLOTTED |
| SPECIAL FEATURES | TOOTH FORM PER ASA B29.9-1958,MAXCUMULATIVE PITCH ERR 0.001 |