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 5999-01-202-1419
NSN 5996-01-012-5716
NSN 6105-00-760-5607
NSN 5945-00-711-6363
NSN 6610-01-148-2181
NSN 5999-01-110-6838
NSN 5905-01-497-0125
NSN 5915-00-834-6217
NSN 5915-00-781-3019
NSN 6320-01-180-9908
NSN 6105-01-202-1211
NSN 5905-01-654-0408