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 5999-01-503-6136
NSN 5999-00-283-1134
NSN 6645-01-203-4916
NSN 6650-00-754-2276
NSN 5895-01-134-9720
NSN 5996-00-432-6816
NSN 5910-01-317-6702
NSN 6620-00-773-2931
NSN 6685-01-379-4453
NSN 5855-00-631-4565
NSN 5895-00-933-9923
NSN 5855-01-063-6340