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 5996-01-158-5197
NSN 6220-01-417-2675
NSN 5930-00-755-7068
NSN 5999-00-736-3824
NSN 5935-01-200-0830
NSN 6320-01-339-9974
NSN 5950-01-169-2143
NSN 6320-01-216-1678
NSN 5998-00-107-6012
NSN 6105-01-422-1336
NSN 5975-00-419-3256
NSN 6135-01-549-5587