The Sprocket Wheel, cataloged under National Stock Number 3020-00-458-8541, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-458-8541 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.000 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 1.648 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.519 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Quantity Per Row | 19 |
| Securing Hole Quantity | 1 |
| Thread Size | 10-32 |
| Surface Treatment | CADMIUM |
| Hole Location | THRU ONE HUB WALL |
| Bore Diameter | 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 457461 | 3/9 Design control — primary reference Eastman Kodak Co |
NSN 3020-00-458-8541 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5962-01-148-9943. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-458-8541: Hub Outside Diameter: 1.000 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 0.500 INCHES NOMINAL IN; Design Form: PLAIN. 18 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.