The Gearshaft, cataloged under National Stock Number 3020-01-107-6397, 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 Brp Us Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gearshaft |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | E. P. Barrus Limited Div Special Products (CAGE K3891); Brp Us Inc (CAGE 1UVT5) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-107-6397 |
| Primary Part Number | 0377943 |
| Item Name | Gearshaft |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 377943 | E. P. Barrus Limited Div Special Products (GBR) |
| 377943 | Brp Us Inc (USA) |
| 0377943 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 377943 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 0377943 | 5/9 Secondary reference U.S. Government activity |
| 377943 | 5/9 Secondary reference U.S. Government activity |
| 0377943 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 377943 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0377943 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 3020-01-107-6397 is a Gearshaft, manufactured by Brp Us Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-107-6397 has 3 manufacturer part numbers on file: 377943 (E. P. Barrus Limited Div Special Products), 377943 (Brp Us Inc), 0377943 (Brp Us Inc).
1 possible match (shared part number, not a government interchangeability claim): 3431-01-194-7730. Verify interchangeability with system specifications before substitution.
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.