The Piston and Adapter,pressure Swit, cataloged under National Stock Number 1650-00-522-6260, 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2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-522-6260 |
| Item Name | Piston and Adapter,pressure Swit |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | SWITCH,PRESSURE. CONSTANT SPEED DRIVE |
| General Characteristics Item Description | STEEL,0.917 TO 0.927 IN PISTON LG,0.465 TO 0.475 IN O/A PISTON DIA,0.985 TO 1.015 IN ADAPTER LG,0.870 TO 0.872 IN O/A ADAPTER DIA,GROOVED FOR O RING PACKING 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 |
|---|---|
| 687273 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-522-6260 is a Piston and Adapter,pressure Swit, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-522-6260: FSC Application Data: SWITCH,PRESSURE. CONSTANT SPEED DRIVE; General Characteristics Item Description: STEEL,0.917 TO 0.927 IN PISTON LG,0.465 TO 0.475 IN O/A PISTON DIA,0.985 TO 1.015 IN ADAPTER LG,0.870 TO 0.872 IN O/A ADAPTER DIA,GROOVED FOR O RING PACKING IN. 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 1650-00-522-6260 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.