NUT (P/N ms21921d8) - New Surplus

The MS21921D8 is an aluminum alloy flareless sleeve coupling nut designed for aircraft tube fittings. This nut clamps the sleeve and tubing assembly to the fitting body, creating a leak-proof seal in hydraulic and fuel system lines. Installation involves sliding the nut over the pre-assembled sleeve and tubing, then tightening onto the fitting body to the torque specification outlined in the applicable maintenance manual.

Commonly used in general aviation and commercial aircraft fluid systems where reliable, vibration-resistant connections are critical.

What is the NUT (P/N ms21921d8)?

The MS21921D8 is an aluminum alloy flareless sleeve coupling nut designed for aircraft tube fittings. This nut clamps the sleeve and tubing assembly to the fitting body, creating a leak-proof seal in hydraulic and fuel system lines.

What conditions is the ms21921d8 available in?

The ms21921d8 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the ms21921d8?

The ms21921d8 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the ms21921d8?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.