NSN 3020-00-257-1505
Part Details | SPROCKET WHEEL
3020-00-257-1505 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: 2527855, 3020-00-257-1505, 00-257-1505, 3020002571505, 002571505
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAR 19, 1971 | 00-257-1505 | 04456 ( SPROCKET WHEEL ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
Cross Reference | NSN 3020-00-257-1505
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2527855 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 3020-00-257-1505
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 7.586 INCHES NOMINAL |
| OVERALL LENGTH | 2.468 INCHES NOMINAL |
| PITCH DIAMETER | 7.175 INCHES NOMINAL |
| FACE WIDTH | 0.459 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.625 INCHES NOMINAL AND BCA1.625 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ1.812 INCHES NOMINAL AND BCA0.094 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 | 30 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATERIAL | 0$ESTEEL, QQ-S-624, COMP 4140, COND HR-CANCELED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD 1ST MATERIAL RESPONSE |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| TEETH HARDNESS RATING | 200.0 BRINELL STANDARD MINIMUM AND 240.0 BRINELL STANDARD MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | ABQ45.0 ROCKWELL C MINIMUM AND ABQ50.0 ROCKWELL C MAXIMUM |
| BORE BEARING | NOT INCLUDED |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE FEATURE | INCLUDED |
| COUNTERBORE LOCATION | AA END |
| COUNTERBORE DIAMETER | 0.937 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.968 INCHES NOMINAL |
| SPLINE QUANTITY | 80 |
| SPLINE MAJOR DIAMETER | 0.875 INCHES NOMINAL |
| SPLINE MINOR DIAMETER | 0.792 INCHES NOMINAL |
| SPLINE LENGTH | 1.300 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE PITCH DIAMETER | 0.833 INCHES NOMINAL |
| KEYING FACILITY | NOT INCLUDED |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| FIRST STEP FACE LARGEST DIAMETER AND LOCATION | BBZ1.625 INCHES NOMINAL |
| FIRST STEP LENGTH AND LOCATION | BBZ0.937 INCHES NOMINAL |
| SECOND STEP LENGTH AND LOCATION | BBZ0.875 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | BBZ1.500 INCHES NOMINAL |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | BBZ1.812 INCHES NOMINAL |
| GROOVE/STEP LOCATION | AA END |
| HUB EXTERNAL KEYWAY | NOT INCLUDED |
