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 5855-01-461-2741
NSN 5925-01-539-3115
NSN 5905-01-429-9072
NSN 6110-00-271-9928
NSN 5925-01-654-2687
NSN 4140-01-192-8596
NSN 5935-01-095-5764
NSN 6220-01-308-6218
NSN 6645-01-309-6455
NSN 5835-00-180-7555
NSN 5975-01-554-7531
NSN 6105-01-195-2907