The Valve,regulating,oxygen System P, cataloged under National Stock Number 4820-01-579-2313, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Pacific Consolidated Industries Llc (CAGE 75906) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-579-2313 |
| Primary Part Number | 793144 ITEM NO 43CP |
| Item Name | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| 793144 ITEM NO 43CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 794428-001 | Pacific Consolidated Industries Llc (USA) |
| 794428-001 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| 793144CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 794428-001CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 794428-001 OXYGEN CLEAN | 5/1 Secondary reference Pacific Consolidated Industries Llc |
| 793144 ITEM NO 43 | 5/1 Secondary reference Pacific Consolidated Industries Llc |
| 793144 | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
NSN 4820-01-579-2313 is a Valve,regulating,oxygen System P, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-579-2313 has 5 manufacturer part numbers on file: 793144 ITEM NO 43CP (Naval Inventory Control Point Mechanicsburg), 794428-001 (Pacific Consolidated Industries Llc), 794428-001 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), 793144CP (Naval Inventory Control Point Mechanicsburg), 794428-001CP (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-579-2334. 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.