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 5965-00-303-9701
NSN 6110-01-395-5236
NSN 5930-01-466-0880
NSN 5925-01-254-8533
NSN 5965-01-234-6844
NSN 5965-01-467-1872
NSN 6145-00-343-5967
NSN 6145-00-419-0550
NSN 5950-00-024-9964
NSN 6320-01-162-5977
NSN 6135-00-235-1938
NSN 6220-00-446-8942