A flanged cylindrical metallic or nonmetallic item designed to be inserted into soft plastic tubing to accommodate the sleeve of compression type tube fittings.
NSN 5910-00-722-5901
NSN 5990-00-446-0518
NSN 5999-00-242-0079
NSN 5990-00-932-3070
NSN 5835-01-408-0621
NSN 6240-00-326-2966
NSN 5930-01-599-7877
NSN 5950-01-203-4733
NSN 6650-01-231-9545
NSN 5998-01-306-8512
NSN 6620-01-533-1059
NSN 5905-01-421-2691