The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-331-6527, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Warren Controls, Inc. (CAGE 03847) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-331-6527 |
| Primary Part Number | 30810999 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 30810999 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30810999 436 MKIII 2 1/2 | 5/9 Secondary reference Warren Controls, Inc. |
| 436 MKIII 2 1/2IN 30810999 | 5/9 Secondary reference Warren Controls, Inc. |
NSN 4820-01-331-6527 is a Valve,regulating,fluid Pressure, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-331-6527 has 1 manufacturer part number on file: 30810999 (Warren Controls, Inc.).
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.