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 2925-01-461-6372
NSN 6645-01-343-6077
NSN 4140-01-364-7845
NSN 6645-01-308-9349
NSN 6650-00-367-9230
NSN 6645-00-144-4868
NSN 5945-01-485-2402
NSN 6610-00-411-7246
NSN 6610-00-400-1252
NSN 5895-00-836-9395
NSN 5855-00-925-0114
NSN 5960-01-420-4744