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 5950-01-473-0785
NSN 5998-00-196-3973
NSN 5920-01-074-6865
NSN 6650-01-374-4923
NSN 5945-01-287-8230
NSN 5950-01-176-8252
NSN 5990-01-455-8035
NSN 6645-01-654-2727
NSN 5930-00-660-6774
NSN 6130-00-390-9718
NSN 5895-00-908-9190
NSN 5935-00-003-8099