The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-663-2238, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt). Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-663-2238 |
| Primary Part Number | 40099843 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Body Style | TEE |
| End Connection Quantity | 3 |
| Material | IRON WROUGHT BODY |
| Media for Which Designed | LIQUID, NONCORROSIVE |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 40099843 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| Reference | Meaning |
|---|---|
| A2BP, RANGE A, 0.500IN. SW | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-663-2238 is a Valve,regulating,fluid Pressure, manufactured by Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-663-2238 has 1 manufacturer part number on file: 40099843 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
Key specifications for 40099843: Flow Control Device: DIAPHRAGM; Body Style: TEE; End Connection Quantity: 3; Material: IRON WROUGHT BODY. 6 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.