The Cylinder,actuating,linear, cataloged under National Stock Number 1650-01-183-0240, 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 Real-Time Laboratories, Llc. Government technical data includes 16 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 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 | 1650-01-183-0240 |
| Primary Part Number | 20511 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Real-Time Laboratories, Llc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| Port Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL PORTS |
| Port Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE PORT |
| Body Outside Diameter | 1.265 INCHES NOMINAL IN |
| Port Thread Class | 3B ALL PORTS |
| Port Thread Class | 3B SINGLE PORT |
| Port Thread Quantity Per Inch | 18 SINGLE PORT |
| Port Thread Quantity Per Inch | 18 ALL PORTS |
| Port Thread Diameter | 0.562 INCHES NOMINAL SINGLE PORT IN |
| Port Thread Diameter | 0.562 INCHES NOMINAL ALL PORTS IN |
| Port Location and Quantity | 1 CYLINDER HEAD END |
| Port Location and Quantity | 1 PISTON ROD END |
| Port Style | GASKET SEAL SINGLE PORT |
| Port Style | GASKET SEAL ALL PORTS |
| Bore Diameter | 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN |
| Mounting Type and Location | BEARING CYLINDER HEAD END |
| 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 |
|---|---|
| 20511 PRIMARY | Real-Time Laboratories, Llc (USA) |
NSN 1650-01-183-0240 is a Cylinder,actuating,linear, manufactured by Real-Time Laboratories, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-183-0240 has 1 manufacturer part number on file: 20511 (Real-Time Laboratories, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-192-4963, 5340-01-260-3313. Verify interchangeability with system specifications before substitution.
Key specifications for 20511: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; Port Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL PORTS; Port Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE PORT; Body Outside Diameter: 1.265 INCHES NOMINAL IN. 16 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 1650-01-183-0240 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.