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 5855-01-120-2912
NSN 5960-01-063-6846
NSN 5855-01-380-2896
NSN 6135-00-816-9052
NSN 6110-01-431-0748
NSN 6135-01-273-1253
NSN 6130-01-444-4518
NSN 5945-01-495-9753
NSN 5855-01-249-0717
NSN 5990-01-112-5281
NSN 5950-01-222-3704
NSN 5930-00-515-1196