The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-386-3474, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dometic Marine Canada Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dometic Marine Canada Inc. (CAGE 3AD06) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-386-3474 |
| Primary Part Number | B-0477 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dometic Marine Canada Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| B-0477 PRIMARY | Dometic Marine Canada Inc. (CAN) |
| 409723 PRIMARY | Dometic Marine Canada Inc. (CAN) |
| C-0614 ITEM 26 | Dometic Marine Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| C-0614 | D/9 Drawing number reference only Dometic Marine Canada Inc. |
NSN 4820-01-386-3474 is a Valve,bleeder,hydraulic System, manufactured by Dometic Marine Canada Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-386-3474 has 3 manufacturer part numbers on file: B-0477 (Dometic Marine Canada Inc.), 409723 (Dometic Marine Canada Inc.), C-0614 ITEM 26 (Dometic Marine Canada Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-386-8257, 3040-01-388-3162. 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.