The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-182-9402, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Euramco Safety Inc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Euramco Safety Inc (CAGE 52081) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-182-9402 |
| Primary Part Number | 55-22056-34 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Euramco Safety 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 |
|---|---|
| 55-22056-34 PRIMARY | Euramco Safety Inc (USA) |
| 55-22056-PART NO.34 | Euramco Safety Inc (USA) |
| Reference | Meaning |
|---|---|
| 55-22056 | D/9 Drawing number reference only Euramco Safety Inc |
NSN 4820-01-182-9402 is a Valve,bleeder,hydraulic System, manufactured by Euramco Safety Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-182-9402 has 2 manufacturer part numbers on file: 55-22056-34 (Euramco Safety Inc), 55-22056-PART NO.34 (Euramco Safety Inc).
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.