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 7035-01-222-0729
NSN 6610-01-192-6478
NSN 4140-00-810-1973
NSN 6650-01-528-8230
NSN 6620-01-083-4672
NSN 5935-01-105-3008
NSN 6320-01-162-5977
NSN 6135-01-440-9412
NSN 6240-01-360-0225
NSN 5975-01-003-8937
NSN 6130-00-141-8317
NSN 4140-01-104-4727