The Valve,safety Relief, cataloged under National Stock Number 4820-01-252-6076, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-252-6076 |
| Primary Part Number | 2192-502-004-1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Media for Which Designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| Opening Pressure Setting | 2000.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 2192-502-004-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| NAVAIR 13-1-6.3 FIG11-20 PC5 | 5/9 Secondary reference Mission Systems Orchard Park Inc |
NSN 4820-01-252-6076 is a Valve,safety Relief, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-252-6076 has 1 manufacturer part number on file: 2192-502-004-1 (Mission Systems Orchard Park Inc).
Key specifications for 2192-502-004-1: Special Features: WRAP PIPE THREADS WITH POLYTETRAFLUOROETHYLENE PIPE TAPE; Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE; Opening Pressure Setting: 2000.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 3 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.