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 2925-01-157-9204
NSN 5925-01-017-9674
NSN 5945-01-645-9580
NSN 5950-01-575-2133
NSN 6620-01-232-0680
NSN 7035-00-703-3535
NSN 6240-01-210-0164
NSN 5999-01-401-5322
NSN 7035-01-462-0516
NSN 6130-01-204-8215
NSN 5945-00-970-1443
NSN 6320-00-450-7014