The Pulley,timing Belt, cataloged under National Stock Number 3020-00-045-4477, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-045-4477 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Depth | 0.065 INCHES NOMINAL IN |
| Face Pitch Designation | XL |
| Face Type | FLAT GROOVED WITH SINGLE FLANGE |
| Bore Type | MINIMUM |
| Face Groove/tooth Quantity | 15 |
| Keyway Width | 0.126 INCHES NOMINAL IN |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | PLASTIC ACETAL |
| Face Width | 0.642 INCHES NOMINAL IN |
| 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 |
|---|---|
| 49173101 | 3/9 Design control — primary reference Control Data Corp Computer Peripherals Inc |
| 94621801 | 5/9 Secondary reference Control Data Corp Computer Peripherals Inc |
NSN 3020-00-045-4477 is a Pulley,timing Belt, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-045-4477: Keyway Depth: 0.065 INCHES NOMINAL IN; Face Pitch Designation: XL; Face Type: FLAT GROOVED WITH SINGLE FLANGE; Overall Length: 0.642 INCHES NOMINAL IN. 9 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.