The Valve,flow Control, cataloged under National Stock Number 4820-01-406-3518, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-406-3518 |
| Primary Part Number | GV500ADN30BS |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE |
| End Connection Quantity | 2 |
| Nominal Thread Size | 0.625 INCHES IN |
| Body Material | STEEL |
| Seat Material | RUBBER SYNTHETIC |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| MA-FCA-00-03.0 | Delta Power Hydraulic Co (USA) |
| GV500ADN30BS PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GV500ADN | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4820-01-406-3518 is a Valve,flow Control, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-3518 has 2 manufacturer part numbers on file: MA-FCA-00-03.0 (Delta Power Hydraulic Co), GV500ADN30BS (Northrop Grumman Systems Corporation).
Key specifications for GV500ADN30BS: Connection Type: THREADED EXTERNAL PIPE; End Connection Quantity: 2; Nominal Thread Size: 0.625 INCHES IN; Body Material: STEEL. 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.