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 6320-01-382-9676
NSN 5835-01-310-8979
NSN 6650-00-379-5434
NSN 6320-00-164-4087
NSN 5855-01-429-8702
NSN 2925-01-049-8906
NSN 6610-01-502-8868
NSN 5935-01-296-3207
NSN 5930-01-391-7621
NSN 6685-00-150-2305
NSN 5950-01-431-8103
NSN 5945-01-092-6911