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 4140-01-065-1884
NSN 5925-01-237-2501
NSN 5945-01-238-3996
NSN 4140-01-261-5725
NSN 4140-00-125-0837
NSN 5895-01-541-6326
NSN 6650-01-218-4742
NSN 5925-00-480-6710
NSN 5915-01-173-2904
NSN 6650-01-459-2261
NSN 6110-00-248-7475
NSN 6650-01-364-1313