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 6645-01-643-0297
NSN 5925-01-299-3672
NSN 5835-00-677-7731
NSN 5998-01-154-2569
NSN 5935-01-497-4081
NSN 5895-00-481-7596
NSN 6620-01-619-3980
NSN 6620-01-103-7508
NSN 6150-01-358-0381
NSN 5945-01-529-7321
NSN 6220-01-215-2179
NSN 6610-00-106-3401