The Valve,safety Relief, cataloged under National Stock Number 4820-01-305-9794, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-305-9794 |
| Primary Part Number | 1G12-R8T-03-S |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Flow Control Device | PISTON |
| Connection Type | UNTHREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Material | STEEL BODY |
| Opening Pressure Setting | 30.0 POUNDS PER SQUARE INCH LBS |
| Valve Discharge Flow Rate | 40.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 1G12-R8T-03-S PRIMARY | Danfoss Inc (USA) |
| Reference | Meaning |
|---|---|
| 1G12-R8T-03-SV | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| 1G12-R8T-03-S | 5/9 Secondary reference U.S. Government activity |
| 1G12-R8T-03-S | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| RPGC-KN-CEJ | 5/9 Secondary reference Sun Hydraulics Corporation |
| 1G12-R8T-03-S | 5/9 Secondary reference Danfoss Fluid Power Inc Easley Opn |
NSN 4820-01-305-9794 is a Valve,safety Relief, manufactured by Danfoss Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-305-9794 has 1 manufacturer part number on file: 1G12-R8T-03-S (Danfoss Inc).
Key specifications for 1G12-R8T-03-S: Flow Control Device: PISTON; Connection Type: UNTHREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 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.