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 6240-01-046-4363
NSN 6650-00-372-6035
NSN 5835-01-426-6573
NSN 5935-01-574-0504
NSN 2925-01-224-1885
NSN 5895-01-634-0630
NSN 5998-00-520-6391
NSN 6650-00-216-6365
NSN 5975-01-433-1612
NSN 6240-00-068-0249
NSN 6620-01-339-5524
NSN 6240-01-530-0438