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 6130-00-386-1962
NSN 5975-00-583-8625
NSN 6650-01-368-8345
NSN 5950-00-965-5658
NSN 5965-01-619-6046
NSN 5975-01-472-2090
NSN 5920-01-284-7306
NSN 5930-01-468-8339
NSN 6135-01-596-8904
NSN 4140-00-517-7902
NSN 7035-01-023-7859
NSN 5950-01-347-0312