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 5985-00-120-2197
NSN 6645-01-258-5558
NSN 5855-01-462-0495
NSN 6685-01-141-4499
NSN 5960-00-180-0805
NSN 5910-00-276-8592
NSN 6110-00-993-3352
NSN 6220-00-809-6071
NSN 5945-01-010-2856
NSN 5985-01-231-9716
NSN 5990-00-665-4105
NSN 6610-01-358-1161