The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-580-4751, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-580-4751 |
| Primary Part Number | 790551-001 OXYGEN CLEAN |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| 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 |
|---|---|
| 790551-001 OXYGEN CLEAN | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 790551-001 OXYGEN CLEAN CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-580-4751 is a Parts Kit,safety Relief Valve, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-580-4751 has 1 manufacturer part number on file: 790551-001 OXYGEN CLEAN (Pacific Consolidated Industries Llc).
Key specifications for 790551-001 OXYGEN CLEAN: Criticality Code Justification: ZZZY; End Item Identification: 4820-01-577-4875 VALVE,SAFETY RELIEF,OXYGEN SYSTEM; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 2 specifications are 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.