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 5920-01-559-9751
NSN 5999-01-003-8461
NSN 5985-00-617-7702
NSN 5915-01-097-5480
NSN 4140-00-841-5905
NSN 5925-00-522-2593
NSN 5985-00-284-8812
NSN 6240-01-032-5105
NSN 5905-01-430-7231
NSN 5985-00-504-9715
NSN 5950-01-374-8325
NSN 5999-01-099-1178