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 5910-01-313-7599
NSN 6130-01-630-5672
NSN 2925-01-121-0761
NSN 6220-01-381-1074
NSN 5965-01-406-0766
NSN 5895-00-475-4352
NSN 6110-01-364-0966
NSN 5965-01-229-8721
NSN 5950-01-108-5475
NSN 6130-01-259-3890
NSN 5915-01-015-5829
NSN 6220-00-332-9408