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 6220-01-477-5001
NSN 5835-00-644-4512
NSN 6620-00-140-8644
NSN 5996-01-406-9297
NSN 5945-01-212-2691
NSN 6130-01-435-0120
NSN 5999-01-245-9762
NSN 6110-01-298-3784
NSN 5855-00-472-2055
NSN 5920-00-773-1282
NSN 6105-01-534-5360
NSN 6105-01-359-1463