The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-470-4270, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 5 specifications, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-470-4270 |
| Primary Part Number | 40506-401 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Outlet Pressure Range | 5.0 TO 60.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | WATER, SALT |
| 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 |
|---|---|
| 40506-4 REV A P/N40506-401 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40506-401 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-470-4270 is a Valve,regulating,fluid Pressure, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-470-4270 has 2 manufacturer part numbers on file: 40506-4 REV A P/N40506-401 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40506-401 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-681-0559. Verify interchangeability with system specifications before substitution.
Key specifications for 40506-401: Outlet Pressure Range: 5.0 TO 60.0 CAMERA MOUNT; Valve Loading Method: SPRING; Special Features: SILBRAZ UNION END CONNECTIONS, 1/4 INCH VALVE, MONEL TRIM IN; Part Name Assigned by Controlling Agency: 1/4 INCH TRAC STYLE "H" SEA WATER PRESSURE REDUCING VALVE IN. 5 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.