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 6620-01-537-1813
NSN 5920-00-769-0967
NSN 5945-00-149-1857
NSN 6645-01-319-0006
NSN 6150-01-316-9011
NSN 5920-00-185-9587
NSN 5910-01-544-8137
NSN 6320-01-134-7267
NSN 6685-01-406-5764
NSN 6135-00-062-5080
NSN 5910-01-367-1788
NSN 6220-00-186-8565