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 6220-01-352-4141
NSN 5920-01-381-1306
NSN 6105-00-781-7231
NSN 5950-01-196-9105
NSN 5999-01-278-7252
NSN 2925-00-602-7214
NSN 6620-01-229-7381
NSN 5950-01-595-6830
NSN 6645-01-099-0249
NSN 5985-01-397-0051
NSN 6620-00-221-6639
NSN 6220-01-353-9026