The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-203-5234, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-203-5234 |
| Primary Part Number | B-4P-3ST-WD |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc |
| Status | ACTIVE |
| FSC Application Data | MK5MODS15T20 TORPEDO EJCT PUMP |
| 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 |
|---|---|
| 5944313 | Naval Sea Systems Command (USA) |
| B-4P-3ST-WD PRIMARY | Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc (USA) |
| Reference | Meaning |
|---|---|
| B-4P-3ST-675 | 5/9 Secondary reference Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc |
NSN 4820-01-203-5234 is a Valve,regulating,fluid Pressure, manufactured by Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-203-5234 has 2 manufacturer part numbers on file: 5944313 (Naval Sea Systems Command), B-4P-3ST-WD (Cambridge Valve & Fitting, Inc. Dba Cambridge Valve & Fitting Inc).
Key specifications for B-4P-3ST-WD: FSC Application Data: MK5MODS15T20 TORPEDO EJCT PUMP. 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.