The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-221-4323, 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 13 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 | 4820-01-221-4323 |
| Primary Part Number | 428-2IN 5T30PSI |
| 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 | DISK |
| Valve Stem Design | SINGLE SEAT |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 5.0 TO 30.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | RAISED FACE FLANGE |
| Material | STEEL BODY |
| Material | STEEL COMP 303 STEM |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 428-2IN 5T30PSI PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| N423 PART 428-2IN5T30PSI | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4820-01-221-4323 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-221-4323 has 2 manufacturer part numbers on file: 428-2IN 5T30PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), N423 PART 428-2IN5T30PSI (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 428-2IN 5T30PSI: Flow Control Device: DISK; Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM. 13 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.