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 5835-00-058-0384
NSN 6620-01-619-9263
NSN 6240-00-932-1331
NSN 5996-01-618-7350
NSN 6110-01-145-8113
NSN 5915-01-548-5856
NSN 5998-01-116-8308
NSN 6320-01-607-0347
NSN 2925-01-480-1208
NSN 7035-00-135-4758
NSN 6110-00-663-4054
NSN 5935-01-634-0668