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 6650-01-104-8798
NSN 2925-01-068-3844
NSN 5960-00-916-3859
NSN 6150-01-607-6057
NSN 6105-01-357-6320
NSN 5996-01-386-2045
NSN 6105-00-062-8543
NSN 6220-01-021-8738
NSN 5910-01-344-5556
NSN 5910-00-932-3229
NSN 5925-01-165-2923
NSN 5985-01-461-6432