The Valve,regulating,oxygen System P, cataloged under National Stock Number 4820-01-473-8392, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-473-8392 |
| Primary Part Number | 7055881-64 |
| Item Name | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 873-150 | Aqua-Air Industries, Inc. Dba Aqua Air Industries Inc Div Sta Sea Offshore Rentals (a Service of Aqua Air Ind., Inc.) (USA) |
| 873-150 | Aqua Environment Co, Inc (USA) |
| 7055881-64 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 873-150 | 5/9 Secondary reference Republic Gear Co |
NSN 4820-01-473-8392 is a Valve,regulating,oxygen System P, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-473-8392 has 3 manufacturer part numbers on file: 873-150 (Aqua-Air Industries, Inc. Dba Aqua Air Industries Inc Div Sta Sea Offshore Rentals (a Service of Aqua Air Ind., Inc.)), 873-150 (Aqua Environment Co, Inc), 7055881-64 (Naval Sea Systems Command).
Key specifications for 7055881-64: Criticality Code Justification: FEAT; Special Features: EXPLOSIVE ORDNANCE DISPOSAL (EOD) TOOLS/EQUIPMENT; End Item Identification: MK23MOD0,OXYGEN TRANSFER PUMP ASSEMBLY. 1 specification is 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.