The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-620-7514, 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 - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-620-7514 |
| Primary Part Number | 370749-1 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val |
| Status | ACTIVE |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Compressed Length | 29.390 INCHES MINIMUM AND 29.790 INCHES MAXIMUM IN |
| Extended Length | 53.980 INCHES MINIMUM AND 54.620 INCHES MAXIMUM IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.750 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 370749-1 PRIMARY | Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val (USA) |
| Reference | Meaning |
|---|---|
| 370749-1 | 3/2 Design control — primary reference U.S. Government activity |
| 370749-1 | 5/9 Secondary reference U.S. Government activity |
| 1650PL0710700 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1650-00-620-7514 is a Cylinder Assembly,actuating,line, manufactured by Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-620-7514 has 1 manufacturer part number on file: 370749-1 (Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val).
Key specifications for 370749-1: Overall Height: 2.872 INCHES NOMINAL IN; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Compressed Length: 29.390 INCHES MINIMUM AND 29.790 INCHES MAXIMUM IN; Extended Length: 53.980 INCHES MINIMUM AND 54.620 INCHES MAXIMUM IN. 6 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 1650-00-620-7514 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.