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 5930-01-252-4612
NSN 5950-01-606-9819
NSN 5975-01-204-6005
NSN 6685-01-004-6182
NSN 6150-00-633-7160
NSN 6130-00-257-2053
NSN 5835-01-381-2683
NSN 5999-01-634-0576
NSN 5915-00-434-3381
NSN 5996-01-633-7979
NSN 5920-00-738-8074
NSN 5925-01-060-9523