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 5930-01-656-8990
NSN 2925-01-178-0063
NSN 6645-00-998-7820
NSN 5910-00-845-5172
NSN 5935-01-089-9981
NSN 6240-00-167-2467
NSN 5999-00-553-9831
NSN 5855-01-589-9339
NSN 5920-00-647-3467
NSN 2925-00-167-6762
NSN 6240-01-009-8729
NSN 6240-00-658-3207