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 6610-01-489-0071
NSN 5965-00-106-3195
NSN 5998-00-421-9776
NSN 5925-01-423-4448
NSN 5965-01-479-9155
NSN 5950-01-241-0274
NSN 6150-01-122-4922
NSN 5996-01-290-0499
NSN 6105-01-144-3804
NSN 5930-01-253-6421
NSN 6320-00-688-9983
NSN 6150-01-436-2306