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 6130-00-887-1300
NSN 5999-00-042-9561
NSN 5915-00-798-9141
NSN 6620-00-562-6337
NSN 5996-00-636-4849
NSN 5945-01-228-8826
NSN 5945-01-556-3304
NSN 5925-00-752-0371
NSN 6135-00-932-3136
NSN 5999-00-519-5455
NSN 5960-01-242-9801
NSN 2925-00-797-1042