The Valve,safety Relief, cataloged under National Stock Number 4820-01-585-2811, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-585-2811 |
| Primary Part Number | VR744MF2SV |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Nominal Length | 58.9 MILLIMETERS ALL ENDS MM |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | STEEL COMP 316L BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| VR744MF2SV PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division (USA) |
| 46300106 | Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division (USA) |
NSN 4820-01-585-2811 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-585-2811 has 2 manufacturer part numbers on file: VR744MF2SV (Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division), 46300106 (Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division).
Key specifications for VR744MF2SV: Flow Control Device: POPPET; Nominal Length: 58.9 MILLIMETERS ALL ENDS MM; Connection Type: THREADED INTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END. 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.