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 5935-00-675-4476
NSN 6130-01-512-0767
NSN 5990-01-020-6841
NSN 6645-00-080-1087
NSN 6240-01-472-0868
NSN 5835-00-754-7255
NSN 6220-00-548-1999
NSN 6145-00-678-0429
NSN 6135-01-305-6958
NSN 5996-01-367-2081
NSN 5855-01-096-9294
NSN 6620-01-218-6203