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 5915-00-189-7514
NSN 4140-00-726-3551
NSN 6220-01-634-0660
NSN 6240-00-931-6686
NSN 6685-00-377-2198
NSN 6645-01-509-3221
NSN 5999-00-194-9270
NSN 5895-00-866-2234
NSN 4140-00-365-2531
NSN 5935-01-287-9334
NSN 5985-00-636-2420
NSN 7035-01-229-5830