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 5996-00-905-5729
NSN 6320-00-695-3891
NSN 2925-00-859-8579
NSN 5985-01-474-1675
NSN 5999-01-296-6814
NSN 5930-01-415-4579
NSN 5990-01-272-4091
NSN 5915-01-493-9973
NSN 5920-01-025-5863
NSN 6110-01-091-5348
NSN 2925-00-617-0826
NSN 5925-01-425-1842