The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-159-7558, 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 Mid-America Aerotech, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-159-7558 |
| Primary Part Number | 34248 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| Outside Diameter | 2.235 INCHES NOMINAL IN |
| 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 |
|---|---|
| 34248 PRIMARY | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 34248 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 34248 | C/1 Advisory reference — outside the item-of-supply concept Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 34248 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-00-159-7558 is a Piston,linear Actuating Cylinder, manufactured by Mid-America Aerotech, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-159-7558 has 1 manufacturer part number on file: 34248 (Mid-America Aerotech, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4320-00-288-9702, 5970-00-432-2216. Verify interchangeability with system specifications before substitution.
Key specifications for 34248: Outside Diameter: 2.235 INCHES NOMINAL IN; Overall Length: 1.278 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 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.
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.