The Pulley,timing Belt, cataloged under National Stock Number 3020-01-473-4181, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-473-4181 |
| Primary Part Number | 7378910 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hub Type | SETSCREW |
| Hub Diameter | 0.812 INCHES NOMINAL IN |
| Face Type | SINGLE ROW SPROCKET TEETH |
| Face Groove/tooth Quantity | 18 |
| Keyway Width | 0.156 INCHES NOMINAL IN |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.437 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 |
| Part Number | Manufacturer |
|---|---|
| 7378910 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-473-4181 is a Pulley,timing Belt, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-473-4181 has 1 manufacturer part number on file: 7378910 (Naval Sea Systems Command).
Key specifications for 7378910: Hub Type: SETSCREW; Hub Diameter: 0.812 INCHES NOMINAL IN; Face Type: SINGLE ROW SPROCKET TEETH; Overall Length: 1.062 INCHES NOMINAL IN. 8 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.