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 5905-00-518-5136
NSN 4140-00-068-8136
NSN 6135-01-369-5392
NSN 6650-01-145-3731
NSN 6145-01-135-3862
NSN 6620-01-298-0991
NSN 5985-01-143-9571
NSN 5915-01-227-0918
NSN 5920-00-351-8428
NSN 5895-00-647-4969
NSN 6105-01-492-8957
NSN 6240-01-598-5733