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 6220-01-152-2637
NSN 6105-01-362-3033
NSN 6320-01-457-2805
NSN 5835-01-010-0002
NSN 5925-01-434-2509
NSN 4140-00-611-2356
NSN 6650-00-312-1200
NSN 5935-00-816-9923
NSN 5996-01-225-3837
NSN 5910-01-206-6051
NSN 5920-01-587-2675
NSN 5915-00-243-2030