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 5915-01-301-0882
NSN 6320-01-067-0474
NSN 5895-00-644-5712
NSN 5999-01-151-9821
NSN 6650-00-809-1817
NSN 5910-01-025-0314
NSN 5996-00-222-6049
NSN 5996-01-121-0113
NSN 6145-01-032-4557
NSN 6645-01-239-8133
NSN 5895-01-139-1539
NSN 5920-01-372-7122