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 6150-00-551-3135
NSN 5999-01-657-3770
NSN 6645-00-784-8288
NSN 5935-01-040-3417
NSN 5945-01-649-7977
NSN 6130-01-544-9001
NSN 5960-01-601-5565
NSN 5965-01-462-1800
NSN 6150-01-442-6205
NSN 6620-01-643-6817
NSN 6645-01-595-1160
NSN 5915-01-485-0222