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 5998-01-617-3731
NSN 5950-01-517-5765
NSN 5920-00-501-7834
NSN 6685-01-599-9831
NSN 5935-00-932-2656
NSN 5960-00-490-6238
NSN 6320-01-227-2648
NSN 5999-01-020-5907
NSN 6145-01-541-1522
NSN 5915-01-416-9855
NSN 5950-01-628-5642
NSN 5895-01-050-6970