NSN 3020-00-831-0254 7748531, 00-831-0254, 008310254
Product 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.
Part Alternates: 7748531, 3020-00-831-0254, 00-831-0254, 3020008310254, 008310254
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1962 | 00-831-0254 | 04456 ( SPROCKET WHEEL ) |
Drawings & Photos | NSN 3020-00-831-0254
Cross Reference | NSN 3020-00-831-0254
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7748531 | 19204 | ARMY UNITED STATES DEPARTMENT OF THE |
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Related Products | NSN 3020-00-831-0254
Technical Data | NSN 3020-00-831-0254
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A3 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 | 2.375 INCHES NOMINAL BB END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 1.016 INCHES MINIMUM BB END AND 1.019 INCHES MAXIMUM BB END |
| 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, QQ-S-681, CLASS 120-95 |
| 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 | 2.375 INCHES NOMINAL AA END |
| FIRST STEP LENGTH AND LOCATION | 0.500 INCHES NOMINAL AA END |
| SECOND STEP LENGTH AND LOCATION | 0.578 INCHES MINIMUM AA END AND 0.581 INCHES MAXIMUM AA END |
| HUB END OUTSIDE DIAMETER AND LOCATION | 1.995 INCHES MINIMUM AA END AND 2.000 INCHES MAXIMUM AA END |
| 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 |
| MANUFACTURERS CODE | 19204 |
| DESIGN CONTROL REFERENCE | 7748531 |
Restrictions/Controls & Freight Information | NSN 3020-00-831-0254
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 117020 | CHAIN AND SPROCKET DRIVES/WHEELS |
| Less than car load rating | S | 60 |
| Less than truck load rating | S | 60.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |