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 5895-01-023-0522
NSN 5910-01-583-8455
NSN 5996-01-025-5683
NSN 4140-01-430-2335
NSN 6610-01-141-7014
NSN 6685-00-468-3629
NSN 6685-01-091-0844
NSN 5855-01-089-2248
NSN 5985-01-565-1516
NSN 6240-01-360-6965
NSN 6320-01-454-1965
NSN 6240-01-304-0129