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 6135-01-437-9178
NSN 6620-01-428-3930
NSN 5990-00-719-4947
NSN 6110-00-814-9234
NSN 6645-01-368-8284
NSN 6220-00-391-1076
NSN 5998-01-642-1937
NSN 6150-00-926-6370
NSN 6650-01-424-8048
NSN 6145-00-807-3441
NSN 6135-01-096-1452
NSN 6105-00-353-8153