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 5930-00-067-4111
NSN 6145-01-634-0388
NSN 4140-00-170-1567
NSN 5960-01-260-3973
NSN 6150-00-938-2973
NSN 5996-01-391-7403
NSN 5990-00-055-8429
NSN 5999-00-422-8491
NSN 5895-01-491-0250
NSN 5905-01-650-8960
NSN 5990-01-517-7848
NSN 5915-01-467-0825