The Sprocket Wheel, cataloged under National Stock Number 3020-01-256-0782, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-256-0782 |
| Primary Part Number | 5363391-1 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Form | PLAIN |
| Style Designator | PLAIN |
| Groove Quantity | 2 |
| Furnished Items | KEYING FACILITY |
| Groove Position | IN CENTER |
| 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 |
|---|---|
| 5363391-1 PRIMARY | Naval Sea Systems Command (USA) |
| 5363361 PIECE 6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5363361 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5363391 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-256-0782 is a Sprocket Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-256-0782 has 2 manufacturer part numbers on file: 5363391-1 (Naval Sea Systems Command), 5363361 PIECE 6 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-261-9082. Verify interchangeability with system specifications before substitution.
Key specifications for 5363391-1: Design Form: PLAIN; Style Designator: PLAIN; Groove Quantity: 2; Furnished Items: KEYING FACILITY. 5 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.