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 5855-01-495-1111
NSN 5935-01-454-4454
NSN 6620-00-935-1321
NSN 6645-01-284-3598
NSN 5965-01-504-2073
NSN 5965-01-398-9579
NSN 5915-01-187-0728
NSN 5920-01-260-3945
NSN 5999-00-442-7656
NSN 6150-00-879-9568
NSN 5990-01-421-5342
NSN 5895-01-521-0980