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 5985-01-364-1311
NSN 5945-01-089-9800
NSN 5999-01-521-9225
NSN 6105-01-446-9092
NSN 5996-00-467-1429
NSN 5990-00-752-2126
NSN 5915-01-504-6581
NSN 6645-01-572-7175
NSN 6645-01-449-1824
NSN 6620-01-246-4314
NSN 6220-00-068-1000
NSN 6685-00-390-8687