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 6320-01-384-3850
NSN 6645-01-248-8033
NSN 5930-00-214-5562
NSN 5990-01-621-4710
NSN 5835-01-096-8570
NSN 6105-00-291-0154
NSN 5925-01-150-8127
NSN 6130-01-573-2899
NSN 5855-01-228-0942
NSN 5910-00-360-9310
NSN 5910-00-681-3003
NSN 5985-01-528-7050