The Piston,flutter Dampener, cataloged under National Stock Number 1650-01-105-2188, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-105-2188 |
| Item Name | Piston,flutter Dampener |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | CYLINDER ASSEMBLY,HYDRAULIC |
| General Characteristics Item Description | STEEL QQ-S-763 420;PASSIVATED FINISH;2.706 IN. MIN TO 2.716 IN. MAX LG;1ST END 0.550 IN. OD;0.340 IN. ID;2ND END 0.331 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3831230-5 | 3/2 Design control — primary reference U.S. Government activity |
| 3831230-5 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 3831230-5 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-01-105-2188 is a Piston,flutter Dampener, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-105-2188: FSC Application Data: CYLINDER ASSEMBLY,HYDRAULIC; General Characteristics Item Description: STEEL QQ-S-763 420;PASSIVATED FINISH;2.706 IN. MIN TO 2.716 IN. MAX LG;1ST END 0.550 IN. OD;0.340 IN. ID;2ND END 0.331 IN. DIA IN; End Item Identification: AIRCRAFT F15. 2 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.
NSN 1650-01-105-2188 has DEMIL Code Q. 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.