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 5930-01-107-8683
NSN 5905-00-156-7099
NSN 5998-00-369-1101
NSN 5835-01-235-9051
NSN 6320-01-449-1014
NSN 5975-01-338-3684
NSN 5990-01-619-8514
NSN 5835-00-665-3395
NSN 6650-01-577-1784
NSN 6105-00-229-0505
NSN 5945-00-502-9644
NSN 5855-01-414-6265