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 5999-01-025-1404
NSN 5960-01-155-1962
NSN 5835-01-485-1408
NSN 5990-00-332-1735
NSN 5915-01-356-4195
NSN 4140-01-247-4837
NSN 5905-01-543-4136
NSN 7035-00-403-5340
NSN 6650-01-319-8204
NSN 6220-00-888-7235
NSN 5950-01-590-3921
NSN 5965-01-653-1049