ADAPTER (P/N 1859) - New Surplus

Part 1859 is an aircraft adapter that joins different fitting sizes or tubing diameters in hydraulic and pneumatic systems. The adapter provides a secure threaded interface between incompatible components, allowing system integration without replacing existing lines or fittings. Typically constructed from aluminum or steel with flared or flareless thread configurations.

Used throughout aircraft hydraulic circuits, fuel systems, and environmental control lines where size transitions are required. Installation requires matching the adapter to system specifications per the aircraft maintenance manual, applying correct torque values, and verifying compatibility in the Illustrated Parts Catalog.

What is the ADAPTER (P/N 1859)?

Part 1859 is an aircraft adapter that joins different fitting sizes or tubing diameters in hydraulic and pneumatic systems. The adapter provides a secure threaded interface between incompatible components, allowing system integration without replacing existing lines or fittings.

Does the 1859 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The ADAPTER conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 1859 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 1859.

Can I order the 1859 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The ADAPTER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.