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 5910-01-425-8838
NSN 6110-01-605-2450
NSN 6220-01-044-5552
NSN 5985-01-225-3989
NSN 5999-01-243-6415
NSN 6685-00-006-1405
NSN 5855-01-358-5253
NSN 5920-01-316-6504
NSN 6685-01-235-7459
NSN 5985-01-589-2064
NSN 6105-01-462-0140
NSN 7035-01-646-4019