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 5965-01-373-8858
NSN 5910-01-049-1271
NSN 6650-00-170-5095
NSN 6650-01-437-6805
NSN 6610-00-012-8072
NSN 5835-01-515-6537
NSN 6320-01-229-2264
NSN 6240-00-842-2887
NSN 5985-01-145-4673
NSN 5930-01-459-9339
NSN 6620-01-396-2149
NSN 6650-00-125-6560