The Valve,safety Relief, cataloged under National Stock Number 4820-01-325-3273, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-325-3273 |
| Primary Part Number | 566246 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Adjustable Pressure Range | +50.0 TO 2500.0 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 |
|---|---|
| 566246 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| RV5-10-S-0-35 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| RV5-10-S-0-25 | 5/9 Secondary reference Modular Controls Corp |
| RV5-10-S-0-35 | 5/9 Secondary reference Modular Controls Corp |
| 8031-1 | 5/9 Secondary reference Challenge Machinery Co the |
NSN 4820-01-325-3273 is a Valve,safety Relief, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-325-3273 has 2 manufacturer part numbers on file: 566246 (Eaton Aerospace, Llc Dba Jackson South), RV5-10-S-0-35 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 6505-01-596-5779. Verify interchangeability with system specifications before substitution.
Key specifications for 566246: Flow Control Device: DISK; Adjustable Pressure Range: +50.0 TO 2500.0 POUNDS PER SQUARE INCH LBS; Special Features: CARTRIDGE TYPE; 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.