The Sprocket Wheel, cataloged under National Stock Number 3020-00-497-2909, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-497-2909 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.490 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 25 |
| Outside Diameter | 1.490 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.361 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 17 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.380 INCHES NOMINAL BOTH ENDS IN |
| Securing Hole Quantity | 2 |
| Drilled Hole Diameter | 0.127 INCHES NOMINAL IN |
| Hole Location | LOCATED ON HUB 0.178 IN. FROM HUBEND 180 DEG APART IN |
| Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Material | STEEL |
| Face Width | 0.110 INCHES NOMINAL IN |
| Securing Location | AA END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 212-001-730-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-497-2909 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-497-2909: Hub Outside Diameter: 0.750 INCHES NOMINAL BOTH ENDS IN; Securing Method: DRILLED HOLE; Bore Length: 0.490 INCHES NOMINAL IN; Design Form: PLAIN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3020-00-497-2909 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.