The Sprocket Shaft, cataloged under National Stock Number 3020-01-494-4632, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-494-4632 |
| Primary Part Number | 752-7068477-A50 |
| Item Name | Sprocket Shaft |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Diameter | 5.372 INCHES MINIMUM AND 5.375 INCHES MAXIMUM IN |
| Teeth Quantity | 21 |
| Pitch Diameter | 10.0640 INCHES NOMINAL IN |
| Shaft Length | 8.825 INCHES NOMINAL IN |
| Sprockets Quantity | 1 |
| Material | STEEL |
| 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 |
|---|---|
| 752-7068477-A50 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H832-1662-A50 | 3/2 Design control — primary reference U.S. Government activity |
| 7068477 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-494-4632 is a Sprocket Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-494-4632 has 1 manufacturer part number on file: 752-7068477-A50 (Naval Sea Systems Command).
Key specifications for 752-7068477-A50: Shaft Diameter: 5.372 INCHES MINIMUM AND 5.375 INCHES MAXIMUM IN; Teeth Quantity: 21; Pitch Diameter: 10.0640 INCHES NOMINAL IN; Overall Length: 8.825 INCHES NOMINAL IN. 6 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.