NSN 3020-00-256-6530
Part Details | SPROCKET WHEEL
3020-00-256-6530 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: 2531016, 3020-00-256-6530, 00-256-6530, 3020002566530, 002566530
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAR 17, 1971 | 00-256-6530 | 04456 ( SPROCKET WHEEL ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-00-256-6530
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2531016 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3020-00-256-6530
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 4.321 INCHES NOMINAL |
| OVERALL LENGTH | 2.343 INCHES NOMINAL |
| PITCH DIAMETER | 3.995 INCHES NOMINAL |
| FACE WIDTH | 0.468 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | AHH1.182 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | AHH0.938 INCHES NOMINAL |
| 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 |
| GUIDE | NOT INCLUDED |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 20 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |
| ASA STANDARD CHAIN NUMBER | 50-1 |
| MATERIAL | STEEL |
| HARDNESS RATING TEST METHOD | BRINELL |
| TEETH HARDNESS RATING | 50.5 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | ABQ200.0 BRINELL STANDARD MINIMUM AND ABQ240.0 BRINELL STANDARD MAXIMUM |
| BORE BEARING | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | BOTH ENDS |
| COUNTERBORE DIAMETER | 0.750 INCHES NOMINAL |
| COUNTERBORE DEPTH | 1.437 INCHES NOMINAL AND 0.344 INCHES NOMINAL |
| SPLINE QUANTITY | 11 |
| SPLINE MAJOR DIAMETER | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.417 INCHES NOMINAL |
| SPLINE LENGTH | 0.594 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE PITCH DIAMETER | 0.458 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | BBZ1.406 INCHES NOMINAL |
| FIRST STEP LENGTH AND LOCATION | BBZ0.688 INCHES NOMINAL |
| SECOND STEP LENGTH AND LOCATION | BBZ0.250 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.182 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ0.938 INCHES NOMINAL |
| GROOVE/STEP LOCATION | BOTH ENDS |
| HUB EXTERNAL KEYWAY | NOT INCLUDED |
