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 6145-01-326-1001
NSN 6130-00-332-9359
NSN 6110-01-487-4039
NSN 6150-01-182-1984
NSN 6645-00-970-5739
NSN 6110-00-643-4832
NSN 4140-00-394-5744
NSN 5996-00-141-3945
NSN 5999-01-152-1929
NSN 6650-01-607-6888
NSN 7035-01-276-9016
NSN 5960-01-322-1945