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 6110-00-843-0498
NSN 6240-00-180-4602
NSN 5835-01-315-2745
NSN 5945-01-248-7094
NSN 5945-00-932-3335
NSN 5930-01-446-7797
NSN 6685-01-578-2364
NSN 5905-01-068-2955
NSN 5915-01-422-0564
NSN 5990-01-272-4091
NSN 5855-00-494-9581
NSN 6320-01-067-0474