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 5990-00-324-4454
NSN 6110-00-167-7522
NSN 6240-01-648-2327
NSN 5930-01-325-4161
NSN 6150-01-012-2185
NSN 5996-01-616-1663
NSN 5960-00-687-1031
NSN 5915-01-500-2147
NSN 5905-00-764-2860
NSN 6620-01-420-6831
NSN 5905-01-302-0413
NSN 6685-00-230-4267