The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-01-107-6921, 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 The Boeing Company Div Defense. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-107-6921 |
| Primary Part Number | 74A450700-1005 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | ACFT LANDING GEAR |
| Compressed Length | 16.570 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Extended Length | 25.820 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| First Piston Rod End Style | BEARING TYPE |
| First End Thickness at Mounting Holes | 0.875 INCHES NOMINAL IN |
| Port Thread Class | 3B |
| Port Thread Quantity Per Inch | 20 |
| Body Material | STEEL |
| Port Thread Diameter | 0.437 INCHES NOMINAL IN |
| Port Style | GASKET SEAL |
| First End Hole Diameter | 0.875 INCHES NOMINAL IN |
| Integral Valve Operation Method | MECHANICAL |
| Bore Diameter | 3.618 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN |
| First End Outside Diameter | 2.376 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 | N |
| Part Number | Manufacturer |
|---|---|
| 74A450700-1005 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1650-01-107-6921 is a Cylinder Assembly,actuating,line, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-107-6921 has 1 manufacturer part number on file: 74A450700-1005 (The Boeing Company Div Defense).
Key specifications for 74A450700-1005: FSC Application Data: ACFT LANDING GEAR; Compressed Length: 16.570 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Extended Length: 25.820 INCHES NOMINAL IN. 17 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 1650-01-107-6921 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.