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 nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5835-01-221-6751
NSN 5895-01-503-3932
NSN 6145-00-114-0197
NSN 5935-00-355-4739
NSN 5915-01-279-9731
NSN 6135-00-500-2082
NSN 5945-01-030-4095
NSN 5920-00-372-5864
NSN 5925-01-469-0694
NSN 5905-01-463-9131
NSN 5925-01-358-0309
NSN 6135-00-315-1187