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 5920-01-562-9840
NSN 5920-00-937-3713
NSN 5999-00-837-2587
NSN 6610-01-152-9337
NSN 5999-00-944-0460
NSN 5945-00-734-5985
NSN 5895-00-857-0774
NSN 5950-01-437-9051
NSN 6220-01-095-6525
NSN 5990-00-444-6987
NSN 6610-01-503-5656
NSN 6610-01-338-0628