A ring-shaped item whose outer surface is so shaped as to form a seat for the coupling nut and the fitting between which it is assembled. It is designed to be slipped over tubing or hose so that tightening of the coupling nut to the fitting compresses the sleeve against the circumference of the tubing or hose thereby effecting a tight seal between the tubing, or hose fitting and coupling nut.
NSN 4140-01-271-1918
NSN 6135-01-353-1036
NSN 6130-01-011-1303
NSN 6650-01-181-6037
NSN 5930-01-256-5523
NSN 5910-00-139-2024
NSN 5920-01-226-4271
NSN 6220-01-278-9369
NSN 6685-01-241-7138
NSN 6240-01-224-6941
NSN 5975-01-364-1117
NSN 5975-00-226-8429