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 5915-01-537-8246
NSN 5920-01-570-0553
NSN 6610-01-340-0409
NSN 5945-01-338-9907
NSN 6145-00-284-1514
NSN 5950-01-481-3116
NSN 6620-00-456-0404
NSN 6130-00-940-7866
NSN 6145-01-331-3287
NSN 5905-01-462-2640
NSN 6135-01-434-0417
NSN 5999-01-381-0344