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 of taps, cocks, valves and similar appliances, nesoi
NSN 6105-00-832-6619
NSN 6645-00-456-0080
NSN 5920-00-981-5821
NSN 6320-00-228-5678
NSN 5915-01-273-0939
NSN 5925-00-857-4850
NSN 6645-00-171-7101
NSN 6610-00-858-2094
NSN 5910-01-188-6858
NSN 7035-01-453-3601
NSN 5910-01-355-2149
NSN 4140-01-254-3689