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 6105-00-844-1267
NSN 6220-01-110-4668
NSN 6220-00-383-9402
NSN 5965-01-282-6085
NSN 5915-00-468-0086
NSN 5905-00-841-1789
NSN 6650-01-010-4204
NSN 5910-01-023-8230
NSN 6105-00-468-6323
NSN 5895-01-025-9295
NSN 5990-01-434-7913
NSN 5960-01-509-8779