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 5945-00-473-2733
NSN 6320-01-512-2031
NSN 5990-01-270-3209
NSN 5996-01-292-8182
NSN 6135-00-235-1938
NSN 6110-01-556-7927
NSN 6685-00-198-0384
NSN 6620-01-591-6681
NSN 5915-01-357-7585
NSN 5965-01-365-0101
NSN 5920-00-484-8074
NSN 7035-00-281-4082