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 5915-00-451-0787
NSN 6110-01-562-8061
NSN 6610-00-639-3615
NSN 6150-01-314-8240
NSN 6610-01-346-8241
NSN 5935-00-926-3099
NSN 4140-01-595-6428
NSN 5945-01-628-8554
NSN 6320-01-067-0474
NSN 6240-01-444-1519
NSN 6105-01-468-0532
NSN 6145-01-353-7407