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 4140-01-259-9260
NSN 5915-00-336-1644
NSN 6620-00-307-3024
NSN 6650-00-617-3984
NSN 6650-01-490-5205
NSN 5835-01-617-5121
NSN 6645-01-340-4191
NSN 6220-01-616-4492
NSN 4140-01-278-1310
NSN 5999-01-353-2989
NSN 5960-01-013-2587
NSN 5920-01-359-8720