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 6105-01-574-7711
NSN 6130-01-491-3843
NSN 5945-00-453-8704
NSN 6130-01-575-0744
NSN 6110-00-812-0226
NSN 6320-00-036-3688
NSN 6320-01-064-0372
NSN 5950-01-520-3232
NSN 6620-01-189-8153
NSN 5999-00-296-4908
NSN 6610-00-686-1557
NSN 6150-01-605-5915