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 5960-01-552-8601
NSN 6645-00-739-6718
NSN 6240-01-160-7934
NSN 5965-00-554-4138
NSN 5920-00-001-9100
NSN 5999-01-196-9496
NSN 2925-00-734-0516
NSN 6240-01-146-4839
NSN 5990-01-064-1013
NSN 6135-01-032-8887
NSN 5905-01-395-4229
NSN 6130-01-660-0708