The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-537-3632, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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 | 4820-01-537-3632 |
| Primary Part Number | 30805988 |
| 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 30805988 (CD 80100973) | Warren Controls, Inc. (USA) |
| 80100973 | Warren Controls, Inc. (USA) |
| 30805988 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F1370 | 5/1 Secondary reference U.S. Government activity |
| 30805988, 30805987 | D/9 Drawing number reference only Warren Controls, Inc. |
NSN 4820-01-537-3632 is a Valve,regulating,fluid Pressure, manufactured by Warren Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-537-3632 has 3 manufacturer part numbers on file: 30805988 (CD 80100973) (Warren Controls, Inc.), 80100973 (Warren Controls, Inc.), 30805988 (Warren Controls, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-576-2428. Verify interchangeability with system specifications before substitution.
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.