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 6130-00-228-9140
NSN 5920-00-425-0755
NSN 5920-01-249-1903
NSN 5935-01-184-0761
NSN 5935-01-252-4554
NSN 6620-01-229-9751
NSN 6130-01-265-1021
NSN 5996-00-144-8091
NSN 2925-01-353-3928
NSN 6145-01-493-4475
NSN 6145-01-515-4640
NSN 5999-01-195-3139