The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-01-375-5188, 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 Deval Life Cycle Support Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-375-5188 |
| Primary Part Number | DV1378-029 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Deval Life Cycle Support Llc |
| Status | ACTIVE |
| Overall Diameter | 3.440 INCHES NOMINAL IN |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| DV1378-029 PRIMARY | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| A-82009 | 3/9 Design control — primary reference U.S. Government activity |
| 1378AS296-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1650-01-375-5188 is a Cylinder Assembly,actuating,line, manufactured by Deval Life Cycle Support Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-375-5188 has 1 manufacturer part number on file: DV1378-029 (Deval Life Cycle Support Llc).
Key specifications for DV1378-029: Overall Diameter: 3.440 INCHES NOMINAL IN; End Item Identification: SPECIAL ACFT AND ENGINE TOOL AND SUPPORT EQUIPMENT AND PARTS; Integral Valve Operation Method: HYDRAULIC; Bore Diameter: 1.875 INCHES NOMINAL IN. 3 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.