The Valve,safety Relief, cataloged under National Stock Number 4820-01-540-5269, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-540-5269 |
| Primary Part Number | CNCNN05JEH |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | FLANGE ALL ENDS |
| Disk Loading Method | SPRING |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | STEEL BODY |
| Opening Pressure Setting | 72.0 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 |
|---|---|
| CNCNN05JEH PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| CNCNN05CEH | 5/9 Secondary reference Dante Valve Company |
| CNCNN05CEH/CD DX62-1X2-1 | 5/9 Secondary reference Dante Valve Company |
| CNCNN05CEH/CD DX62-1X2-1 | 3/9 Design control — primary reference Danco Valve Company |
| CNCNN05CEH | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-540-5269 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-540-5269 has 1 manufacturer part number on file: CNCNN05JEH (Dante Valve Company).
Key specifications for CNCNN05JEH: Flow Control Device: DISK; Connection Type: FLANGE ALL ENDS; Disk Loading Method: SPRING; Special Features: RELIEF SETTING RANGE 45 TO 75 PSIG; DESIGNED FOR CATAPULT STEAM MEDIA. 7 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.