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 5965-01-197-6924
NSN 6105-00-991-1844
NSN 6240-00-167-2467
NSN 5920-01-081-9868
NSN 5855-01-443-8441
NSN 6135-00-276-7625
NSN 6220-01-394-6858
NSN 5930-01-495-5571
NSN 5945-01-407-0385
NSN 6130-01-367-2201
NSN 6150-00-402-0799
NSN 6130-01-537-4159