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 6620-00-104-6937
NSN 6620-00-684-3425
NSN 5905-00-530-4929
NSN 5985-00-780-9364
NSN 6650-01-480-2687
NSN 5835-01-416-6455
NSN 6320-00-238-9973
NSN 5910-01-366-1171
NSN 6645-01-418-1657
NSN 6130-01-072-1357
NSN 5990-01-633-9503
NSN 5950-01-386-0085