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 5920-01-317-1801
NSN 6130-00-270-8063
NSN 5999-00-816-7625
NSN 5990-00-258-0228
NSN 5999-01-252-1400
NSN 5996-01-202-8605
NSN 6110-01-648-2637
NSN 5915-00-146-2451
NSN 5855-01-154-3871
NSN 5855-01-630-8608
NSN 6130-01-120-8347
NSN 5835-00-490-0530