The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-330-3219, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wilson's Machine Products, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-330-3219 |
| Primary Part Number | 717770004-019 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wilson's Machine Products, Inc |
| Status | ACTIVE |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Media for Which Designed | NITROGEN, GASEOUS |
| 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 |
|---|---|
| 717770004-019 PRIMARY | Wilson's Machine Products, Inc (USA) |
| 717770004-019 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 717770004 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 4820-01-330-3219 is a Valve,regulating,fluid Pressure, manufactured by Wilson's Machine Products, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-330-3219 has 2 manufacturer part numbers on file: 717770004-019 (Wilson's Machine Products, Inc), 717770004-019 (Lockheed Martin Corporation).
Key specifications for 717770004-019: Regulation Type: AUTOMATIC DOUBLE STAGE; End Connection Quantity: 2; Valve Loading Method: SPRING; Special Features: WITH 45 DEGREE ELBOW,PIPE; FOR LANTIRN MOBILE SHELTER STATION. 4 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.