The Piston Assy,damper, cataloged under National Stock Number 1620-00-589-4077, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Textron Aviation Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Piston Assy,damper |
| FSC / FSG | 1620 — Aircraft Landing Gear Components (FSG 16) |
| Manufacturers | Textron Aviation Inc (CAGE 7EK50) |
| Parameter | Value |
|---|---|
| NSN | 1620-00-589-4077 |
| Primary Part Number | 50-820020 |
| Item Name | Piston Assy,damper |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 50-820020 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 1560L23-144 | D/9 Drawing number reference only U.S. Government activity |
| 50-820020 | D/9 Drawing number reference only U.S. Government activity |
| 50-820020 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 1620-00-589-4077 is a Piston Assy,damper, manufactured by Textron Aviation Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-589-4077 has 1 manufacturer part number on file: 50-820020 (Textron Aviation Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-283-7111. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1620-00-589-4077 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.