A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5945-01-085-7031
NSN 6105-01-379-0603
NSN 5998-00-888-9887
NSN 5998-01-413-7600
NSN 5925-00-762-3790
NSN 6240-01-055-9696
NSN 6650-00-073-5154
NSN 5950-00-208-6812
NSN 6220-00-962-3226
NSN 2925-00-911-0199
NSN 6145-01-273-6345
NSN 6135-01-490-4422