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 5895-01-209-6678
NSN 6145-01-183-4137
NSN 5975-00-161-4947
NSN 6610-01-582-8181
NSN 6650-00-989-1103
NSN 6130-00-948-6269
NSN 6620-01-339-5524
NSN 5975-01-027-2157
NSN 5935-01-578-1597
NSN 6135-00-223-9563
NSN 5945-00-494-6567
NSN 5935-01-395-4029