Super Flangeless™ nuts combined with ferrules are an excellent choice for tubing assemblies and will stay tight even through vibration. Ferrules come with lock ring to hold the ferrule in place, preventing the nuts from sliding off in tubing assemblies. The lock ring also allows tightening without twisting the tubing.

Designed to facilitate a low pressure connection of tubing to the flat bottom port, this Flangeless Headless Short Nut is durable and easy to use.