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 5835-01-436-1797
NSN 5998-01-132-2998
NSN 5895-00-263-3983
NSN 5960-00-901-5745
NSN 5855-00-287-5870
NSN 6105-01-507-3012
NSN 2925-00-394-2332
NSN 5920-01-406-0747
NSN 6320-01-422-1212
NSN 5945-00-932-5219
NSN 5945-01-379-1402
NSN 6240-00-160-9223