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 5990-01-054-4255
NSN 6240-01-425-1545
NSN 5930-00-833-8458
NSN 5996-00-243-1418
NSN 2925-00-134-4827
NSN 6110-01-411-6619
NSN 5945-01-455-3124
NSN 5999-01-095-7775
NSN 5935-01-556-7466
NSN 4140-01-220-2610
NSN 6240-01-361-3499
NSN 6220-01-220-8088