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 6240-00-860-7626
NSN 6135-00-145-8884
NSN 5895-01-209-1617
NSN 6610-00-365-4454
NSN 5910-00-868-1494
NSN 5920-01-371-2869
NSN 5996-00-248-7061
NSN 5855-01-525-8017
NSN 5895-00-186-0717
NSN 6240-01-040-5530
NSN 5910-01-241-6972
NSN 6650-01-125-4989