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 5990-01-231-9608
NSN 5935-00-196-3686
NSN 6240-01-630-3442
NSN 5895-01-172-0739
NSN 6620-01-070-9042
NSN 5915-01-262-4182
NSN 6135-01-142-6456
NSN 5945-01-347-7750
NSN 6130-01-363-4056
NSN 5935-00-543-2509
NSN 6650-00-578-6543
NSN 6685-01-162-8326