The Piston Assembly Set, cataloged under National Stock Number 1650-01-041-5573, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston Assembly Set |
| FSC / FSG | 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16) |
| Manufacturers | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (CAGE 1SR57) |
| Parameter | Value |
|---|---|
| NSN | 1650-01-041-5573 |
| Primary Part Number | 920237-1 |
| Item Name | Piston Assembly Set |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 920237-1 PRIMARY | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (USA) |
| Reference | Meaning |
|---|---|
| 920237-1 | 7/2 Vendor item drawing reference Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport |
| 920237-1 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 1650-01-041-5573 is a Piston Assembly Set, manufactured by Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-041-5573 has 1 manufacturer part number on file: 920237-1 (Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons).
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 1650-01-041-5573 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.