The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-658-2176, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dorot Inc. Government technical data includes 1 specification, 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 | 4820-01-658-2176 |
| Primary Part Number | 30-3-PN16-PR |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dorot Inc |
| Status | ACTIVE |
| Supplementary Features | PRESSURE UP TO 230 PSI |
| 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 |
|---|---|
| 30-3-PN16-PR PRIMARY | Dorot Inc (USA) |
| 30-3-PR-SST DN80 | Ormandy Ltd (GBR) |
| 40065104 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
NSN 4820-01-658-2176 is a Valve,regulating,fluid Pressure, manufactured by Dorot Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-658-2176 has 3 manufacturer part numbers on file: 30-3-PN16-PR (Dorot Inc), 30-3-PR-SST DN80 (Ormandy Ltd), 40065104 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
Key specifications for 30-3-PN16-PR: Supplementary Features: PRESSURE UP TO 230 PSI; Overall Length: 12.1875 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PRESSURE REDUCING VALVE-TRANSFER. 1 specification is 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.