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 6650-01-395-1882
NSN 6130-00-596-9565
NSN 5999-00-582-0354
NSN 5998-01-099-8141
NSN 5996-00-943-9050
NSN 5930-01-055-0598
NSN 6620-01-383-7519
NSN 6645-00-522-4173
NSN 4140-01-069-8591
NSN 7035-00-782-7046
NSN 5975-00-460-2891
NSN 5998-00-144-8211