The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-423-4633, 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 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-4633 |
| Primary Part Number | U303285001 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Material Document and Classification | UNABLE TO DECODE |
| Material | COPPER ALLOY 922 BODY |
| Media for Which Designed | STEAM |
| 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 |
|---|---|
| LY 2 1/2 IN | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| U303285001 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| U303285001 | Cth Instruments Ltd (CAN) |
NSN 4820-01-423-4633 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-423-4633 has 3 manufacturer part numbers on file: LY 2 1/2 IN (Leslie Controls, Inc. Dba Leslie Controls Inc), U303285001 (Leslie Controls, Inc. Dba Leslie Controls Inc), U303285001 (Cth Instruments Ltd).
Key specifications for U303285001: Material Document and Classification: UNABLE TO DECODE; Special Features: ADJUSTABLE REDUCED PRESSURE RANGE: 10-285 PSIG; Material: COPPER ALLOY 922 BODY; Media for Which Designed: STEAM. 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.