NSN 3020-00-138-1903
Part Details | SPROCKET WHEEL
3020-00-138-1903 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: 8760633, 8760633, 3020-00-138-1903, 00-138-1903, 3020001381903, 001381903
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | JUL 24, 1971 | 00-138-1903 | 04456 ( SPROCKET WHEEL ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-00-138-1903
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8760633 | K8151 | RELIANCE-MERCURY LTD |
| 8760633 | 63117 | SICARD A DIVISION OF SMI-SNOWBLASTINC |
Technical Data | NSN 3020-00-138-1903
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 8.840 INCHES NOMINAL |
| OVERALL LENGTH | 2.000 INCHES NOMINAL |
| PITCH DIAMETER | 8.296 INCHES NOMINAL |
| FACE WIDTH | 0.500 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ2.875 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ3.750 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 |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 26 |
| TOOTH PITCH | 1.000 INCHES NOMINAL |
| MATERIAL | STEEL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| BORE BEARING | NOT INCLUDED |
| BORE TYPE | STRAIGHT |
| COUNTERBORE FEATURE | NOT INCLUDED |
| BORE DIAMETER | 2.251 INCHES MINIMUM AND 2.252 INCHES MAXIMUM |
| BORE LENGTH | 2.000 INCHES NOMINAL |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.501 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 1.346 INCHES MINIMUM AND 1.352 INCHES MAXIMUM |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | BBZ3.745 INCHES MINIMUM AND BBZ3.755 INCHES MAXIMUM |
| FIRST STEP LENGTH AND LOCATION | BBZ0.020 INCHES NOMINAL |
| SECOND STEP LENGTH AND LOCATION | BBZ1.230 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ2.875 INCHES NOMINAL |
| GROOVE/STEP LOCATION | AA END |
| HUB EXTERNAL KEYWAY | NOT INCLUDED |
| SECURING METHOD | HF ANY ACCEPTABLE |
| SECURING HOLE QUANTITY | 3 |
| THREAD SIZE | 1/2-20 |
| HOLE LOCATION | THROUGH GEAR BODY |
