The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-504-1571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-1571 |
| Primary Part Number | YB2310E922X1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Temp Rating | 85.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Valve Size | 1.000 INCHES IN |
| Material | NICKEL ALLOY BODY |
| Media for Which Designed | WATER, SALT |
| Maximum Inlet Pressure Rating | ERR-060 |
| End Connection Spec/std | MIL-F-1183 |
| 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 |
|---|---|
| 34817N ASSY YB2310E922X1 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| YB2310E922X1 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 34817N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-504-1571 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-504-1571 has 2 manufacturer part numbers on file: 34817N ASSY YB2310E922X1 (Leslie Controls, Inc. Dba Leslie Controls Inc), YB2310E922X1 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for YB2310E922X1: Flow Control Device: DIAPHRAGM; Temp Rating: 85.0 FAHRENHEIT NOMINAL DEGF; End Connection Quantity: 2; Valve Size: 1.000 INCHES IN. 8 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.