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 6145-00-939-1745
NSN 5945-00-596-2665
NSN 5990-00-288-1820
NSN 5895-01-648-0765
NSN 6105-01-125-4161
NSN 6145-00-399-5201
NSN 6650-01-271-8239
NSN 5835-00-284-0882
NSN 5990-00-029-9064
NSN 6130-01-570-3241
NSN 5895-01-476-2326
NSN 6650-00-292-3907