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 5990-01-364-1942
NSN 5935-01-167-0095
NSN 5935-01-129-3037
NSN 5930-01-531-5020
NSN 5998-01-070-6631
NSN 5930-01-458-0099
NSN 6220-00-548-1999
NSN 5925-00-081-9135
NSN 5950-00-947-6183
NSN 5925-01-358-0309
NSN 5905-01-388-2142
NSN 7035-00-200-5162