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 5920-01-418-1821
NSN 6220-01-657-0668
NSN 5990-00-249-7887
NSN 5965-01-360-4329
NSN 6240-01-374-7116
NSN 5996-00-605-0397
NSN 5925-00-812-4522
NSN 6105-01-458-7841
NSN 6135-01-273-1253
NSN 5895-01-355-6165
NSN 5930-01-018-3938
NSN 5905-01-429-8929