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 4140-00-011-7127
NSN 5895-01-162-9402
NSN 5930-00-240-4996
NSN 6150-00-491-9654
NSN 5945-01-370-9728
NSN 5950-01-124-2481
NSN 5835-00-711-3371
NSN 6620-01-648-1594
NSN 5905-00-136-8440
NSN 6320-01-119-3935
NSN 6105-00-925-2226
NSN 6620-01-625-2855