NSN 3020-00-831-0254
Part Details | SPROCKET WHEEL
3020-00-831-0254 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: 7748531, 3020-00-831-0254, 00-831-0254, 3020008310254, 008310254
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JAN 01, 1962 | 00-831-0254 | 04456 ( SPROCKET WHEEL ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-00-831-0254
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7748531 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
Technical Data | NSN 3020-00-831-0254
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 3.915 INCHES MINIMUM AND 3.920 INCHES MAXIMUM |
| OVERALL LENGTH | 2.438 INCHES NOMINAL |
| PITCH DIAMETER | 3.599 INCHES NOMINAL |
| FACE WIDTH | 0.343 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BCA2.375 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BCA1.016 INCHES MINIMUM AND BCA1.019 INCHES MAXIMUM |
| DESIGN FORM | PLAIN |
| LIGHTENING HOLE | NOT INCLUDED |
| BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED | ROLLER CHAIN |
| ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED | SINGLE PITCH |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 18 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 50 |
| MATERIAL | STEEL COMP 120-95 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-681, CLASS 120-95 FED SPEC SINGLE MATERIAL RESPONSE |
| HARDNESS RATING TEST METHOD | NOT RATED |
| SURFACE TREATMENT | PHOSPHATE |
| BORE BEARING | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | BB END |
| COUNTERBORE DIAMETER | 1.995 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.188 INCHES NOMINAL |
| SPLINE QUANTITY | 23 |
| SPLINE MAJOR DIAMETER | 1.5500 INCHES MINIMUM AND 1.5612 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 1.3750 INCHES MINIMUM AND 1.3775 INCHES MAXIMUM |
| SPLINE LENGTH | 2.250 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE PITCH DIAMETER | 1.4375 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | BBZ2.375 INCHES NOMINAL |
| FIRST STEP LENGTH AND LOCATION | BBZ0.500 INCHES NOMINAL |
| SECOND STEP LENGTH AND LOCATION | BBZ0.578 INCHES MINIMUM AND BBZ0.581 INCHES MAXIMUM |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.995 INCHES MINIMUM AND BBZ2.000 INCHES MAXIMUM |
| GROOVE/STEP LOCATION | AA END |
| HUB EXTERNAL KEYWAY | NOT INCLUDED |
| SPECIAL FEATURES | BB HUB END TAPERED,0.376 IN. TAPER LG,2.250 IN. DIA,SMALL END OF TAPER |