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 2925-01-143-4229
NSN 5998-01-290-5919
NSN 5999-01-080-3103
NSN 5975-00-838-7907
NSN 5910-00-636-4697
NSN 5975-00-839-8500
NSN 5925-01-486-1239
NSN 5835-01-382-4592
NSN 6320-01-624-0193
NSN 6130-01-421-2705
NSN 2925-01-225-0713
NSN 5945-00-833-9885