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 6220-01-044-6940
NSN 5895-01-526-2064
NSN 5975-00-157-4296
NSN 6105-00-468-4928
NSN 6110-01-433-6211
NSN 4140-01-482-5038
NSN 5935-01-218-2982
NSN 6220-00-967-0062
NSN 5998-00-348-2376
NSN 5835-01-522-1023
NSN 6240-00-419-4301
NSN 6105-01-416-6097