CAP PLUG (P/N p-18) - New Surplus, New

The p-18 is an HDPE cap plug designed to seal 1/8 NPT-threaded ports on aircraft components during storage and maintenance. This protective cap prevents contamination and moisture intrusion in fuel systems, hydraulic lines, pneumatic connections, and other fluid system ports. Install hand-tight before storage or transport, then remove before returning the component to service.

Lightweight molded construction withstands typical hangar and shop environments. Follow the aircraft maintenance manual and applicable shop procedures for installation and removal protocols.

What is the CAP PLUG (P/N p-18)?

The p-18 is an HDPE cap plug designed to seal 1/8 NPT-threaded ports on aircraft components during storage and maintenance. This protective cap prevents contamination and moisture intrusion in fuel systems, hydraulic lines, pneumatic connections, and other fluid system ports.

What conditions is the p-18 available in?

The p-18 is currently available in the following conditions: New Surplus, New. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the p-18?

The p-18 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 p-18?

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.