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 5935-00-934-1022
NSN 5920-00-413-3341
NSN 6620-01-355-4339
NSN 6105-01-609-1144
NSN 6105-01-013-8917
NSN 5920-00-931-7979
NSN 6610-01-259-5296
NSN 5965-01-394-8254
NSN 6620-01-278-4202
NSN 5999-01-577-5342
NSN 6320-00-593-0379
NSN 5905-01-607-1504