The Sprocket Wheel, cataloged under National Stock Number 3020-00-489-8952, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-489-8952 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.000 INCHES NOMINAL BB END IN |
| Hub Outside Diameter | 1.250 INCHES NOMINAL AA END IN |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.625 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.353 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 2.030 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 13 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.240 INCHES NOMINAL AA END IN |
| Distance From Hub End to Flange End | 0.280 INCHES NOMINAL BB END IN |
| Securing Hole Quantity | 2 |
| Drilled Hole Diameter | 0.1284 INCHES MINIMUM AND 0.1288 INCHES MAXIMUM IN |
| Hole Location | LOCATED ON HUB BETWEEN HUB END AND FACE 180 DEG APART |
| Material | PLASTIC |
| Face Width | 0.167 INCHES NOMINAL IN |
| Securing Location | AA END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 502135 | 3/9 Design control — primary reference Eastman Kodak Co |
NSN 3020-00-489-8952 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 4320-00-890-4013, 5977-01-214-1126, 5935-01-231-8263. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-489-8952: Hub Outside Diameter: 1.000 INCHES NOMINAL BB END IN; Hub Outside Diameter: 1.250 INCHES NOMINAL AA END IN; Securing Method: DRILLED HOLE; Bore Length: 0.625 INCHES NOMINAL IN. 21 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.
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.