Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage.

Aluminum plugs withstand temperatures up to 650° F, which is more than four times as high as polyethylene and nylon plugs. They are also more abrasion resistant. Install them manually.

Nylon plugs resist chemicals better than aluminum plugs and are more wear resistant than polyethylene plugs. You can install them manually or with a hex-head wrench or socket.

For technical drawings and 3-D models, click on a part number.