The Disk,valve, cataloged under National Stock Number 4820-01-415-9466, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-415-9466 |
| Primary Part Number | 108784 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Shank Diameter | 0.210 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.800 INCHES NOMINAL IN |
| Flange Diameter | 0.480 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Inside Diameter | 0.120 INCHES NOMINAL IN |
| Media for Which Designed | HYDRAULIC FLUID |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 108784 | Woodward Governor Company Dba Aircraft Product Service Center Div Aircraft Products Center (USA) |
| 108784 | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| 108784 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 108784 | Transupport Inc Dba Transupport Inc (USA) |
| Reference | Meaning |
|---|---|
| 108784 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-415-9466 is a Disk,valve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-415-9466 has 4 manufacturer part numbers on file: 108784 (Woodward Governor Company Dba Aircraft Product Service Center Div Aircraft Products Center), 108784 (Woodward, Inc. Div Fuel Systems and Controls), 108784 (Triumph Engine Control Systems Llc), 108784 (Transupport Inc Dba Transupport Inc).
Key specifications for 108784: Shank Diameter: 0.210 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.800 INCHES NOMINAL IN; Flange Diameter: 0.480 INCHES NOMINAL IN; Overall Height: 1.050 INCHES NOMINAL IN. 8 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.