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 6620-00-928-0227
NSN 5895-00-719-7759
NSN 5999-00-843-0275
NSN 5965-01-426-8325
NSN 5930-01-051-3059
NSN 6220-01-352-6132
NSN 5905-00-484-5588
NSN 5960-00-988-5737
NSN 5999-00-143-1818
NSN 5855-00-995-2098
NSN 6620-01-147-8439
NSN 5910-00-337-8292