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 5935-00-104-7528
NSN 5945-01-377-2415
NSN 5965-01-012-1065
NSN 6110-01-065-5791
NSN 5915-00-951-0963
NSN 5925-01-173-2841
NSN 6240-00-813-6328
NSN 6650-00-161-4122
NSN 6620-00-264-8030
NSN 7035-01-357-1251
NSN 5945-01-337-7340
NSN 6105-00-164-1046