The Valve,flow Control, cataloged under National Stock Number 4820-01-406-3516, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-406-3516 |
| Primary Part Number | GV500ADN15BS |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | THREADED EXTERNAL PIPE |
| End Connection Quantity | 2 |
| Valve Size | 0.500 INCHES IN |
| Nominal Thread Size | 0.625 INCHES IN |
| Body Material | STEEL |
| 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 |
|---|---|
| GV500ADN15BS PRIMARY | Northrop Grumman Systems Corporation (USA) |
| MA-FCA-00-01.5 | Delta Power Hydraulic Co (USA) |
| Reference | Meaning |
|---|---|
| GV500ADN | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4820-01-406-3516 is a Valve,flow Control, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-3516 has 2 manufacturer part numbers on file: GV500ADN15BS (Northrop Grumman Systems Corporation), MA-FCA-00-01.5 (Delta Power Hydraulic Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-406-3518. Verify interchangeability with system specifications before substitution.
Key specifications for GV500ADN15BS: Flow Control Device: DISK; Connection Type: THREADED EXTERNAL PIPE; End Connection Quantity: 2; Valve Size: 0.500 INCHES IN. 7 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.