The Valve,gate, cataloged under National Stock Number 4820-01-438-6830, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dassault Falcon Jet Corp Mrs Program. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-438-6830 |
| Primary Part Number | F20G8041121-501 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dassault Falcon Jet Corp Mrs Program |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 2.844 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 4.450 INCHES IN |
| Face to Face Distance | 0.050 INCHES IN |
| Material | ALUMINUM SEAT |
| Material | ALUMINUM STEM |
| Material | ALUMINUM BODY |
| Material | ALUMINUM DISK |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| F20G8041121-501 PRIMARY | Dassault Falcon Jet Corp Mrs Program (USA) |
NSN 4820-01-438-6830 is a Valve,gate, manufactured by Dassault Falcon Jet Corp Mrs Program, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-438-6830 has 1 manufacturer part number on file: F20G8041121-501 (Dassault Falcon Jet Corp Mrs Program).
Key specifications for F20G8041121-501: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: NONRISING; Connection Type: FLANGE, ROUND W/HOLES. 14 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.