The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-504-5800, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-5800 |
| Primary Part Number | 6392757 FIND 15 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 6392757 FIND 15 | Naval Sea Systems Command (USA) |
| 6392757 FIND 15 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| PHFA2815300D | 3/2 Design control — primary reference U.S. Government activity |
| 6392757 | D/9 Drawing number reference only Naval Sea Systems Command |
| PL6392757 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-504-5800 is a Valve,relief,pressure and Temper, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-504-5800 has 2 manufacturer part numbers on file: 6392757 FIND 15 (Naval Sea Systems Command), 6392757 FIND 15 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
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.