NUT, HEX, FLARED TUBE (P/N an6289-4d) - New Surplus, New

The AN6289-4D is a hex locknut designed for flared tube fittings on aircraft hydraulic systems. This steel nut features a counterbored groove that accepts packing or an O-ring to create a sealed connection at the joint. It secures flared tube connections while preventing leakage in high-pressure hydraulic lines.

Installation requires proper torque application per AS/AN specifications and the aircraft maintenance manual. The part conforms to AN6289 standards and is compatible with SAE AS5179 specifications.

What is the NUT, HEX, FLARED TUBE (P/N an6289-4d)?

The AN6289-4D is a hex locknut designed for flared tube fittings on aircraft hydraulic systems. This steel nut features a counterbored groove that accepts packing or an O-ring to create a sealed connection at the joint.

Does the an6289-4d meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT, HEX, FLARED TUBE 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 an6289-4d 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 an6289-4d.

Can I order the an6289-4d in custom quantities?

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