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 6620-01-067-5670
NSN 5920-01-634-0250
NSN 6135-01-415-1163
NSN 6650-00-847-3492
NSN 5960-01-225-6036
NSN 6685-01-341-2161
NSN 6685-01-094-2583
NSN 5975-00-567-2766
NSN 5895-01-272-9740
NSN 5999-01-401-5322
NSN 5895-01-291-2074
NSN 5945-01-615-0388