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 5990-01-067-1775
NSN 6320-00-107-1591
NSN 5998-00-300-6505
NSN 6135-01-199-1185
NSN 6620-01-512-0132
NSN 5945-00-687-2072
NSN 6610-01-067-6591
NSN 5910-00-302-9473
NSN 5999-01-259-4636
NSN 5975-00-383-1384
NSN 6240-00-531-3187
NSN 6130-01-270-5608