The Valve,regulating,oxygen System P, cataloged under National Stock Number 4820-01-587-1253, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Pacific Consolidated Industries Llc (CAGE 75906); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-587-1253 |
| Primary Part Number | S9553-CH-MMO-010 FIG 7-13-7 |
| Item Name | Valve,regulating,oxygen System P |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| 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 |
|---|---|
| S9553-CH-MMO-010 FIG 7-13-7 | Pacific Consolidated Industries Llc (USA) |
| 796691-006 OXYGEN CLEAN | Naval Inventory Control Point Mechanicsburg (USA) |
| 584142-001 OXYGEN CLEAN | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 796691-006 OXYGEN CLEAN | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| 584142-001 OXYGEN CLEAN | 5/9 Secondary reference Pacific Consolidated Industries Llc |
NSN 4820-01-587-1253 is a Valve,regulating,oxygen System P, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-587-1253 has 3 manufacturer part numbers on file: S9553-CH-MMO-010 FIG 7-13-7 (Pacific Consolidated Industries Llc), 796691-006 OXYGEN CLEAN (Naval Inventory Control Point Mechanicsburg), 584142-001 OXYGEN CLEAN (Naval Inventory Control Point Mechanicsburg).
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.