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 6620-01-422-3522
NSN 6685-01-258-3218
NSN 6105-01-585-1011
NSN 5915-00-889-8807
NSN 5835-00-334-6556
NSN 2925-01-612-0405
NSN 4140-01-261-9892
NSN 6650-00-482-8984
NSN 4140-01-042-9066
NSN 5965-00-560-5804
NSN 6650-01-633-9147
NSN 6220-00-255-5652