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 5975-01-558-3608
NSN 6320-01-372-8671
NSN 6135-01-537-5979
NSN 5999-01-111-9077
NSN 6620-01-029-3705
NSN 5990-01-212-2037
NSN 5925-01-031-5416
NSN 6135-00-877-1659
NSN 5835-01-083-5271
NSN 6645-00-021-6408
NSN 5920-01-655-8624
NSN 6105-01-546-6807