The Pulley,timing Belt, cataloged under National Stock Number 3020-01-102-5166, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-102-5166 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Depth | 0.094 INCHES NOMINAL IN |
| Hub Diameter | 1.250 INCHES NOMINAL IN |
| Face Type | SINGLE ROW SPROCKET TEETH |
| Bore Type | SPECIFIED |
| Face Groove/tooth Quantity | 20 |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Face Width | 0.906 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 |
|---|---|
| 218072-1 | 3/9 Design control — primary reference Data Products Corp |
NSN 3020-01-102-5166 is a Pulley,timing Belt, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-102-5166: Keyway Depth: 0.094 INCHES NOMINAL IN; Hub Diameter: 1.250 INCHES NOMINAL IN; Face Type: SINGLE ROW SPROCKET TEETH; Overall Length: 1.281 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.