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 6150-01-146-4833
NSN 6145-01-424-1351
NSN 5960-00-817-5088
NSN 6320-01-330-2138
NSN 6130-00-891-8800
NSN 5960-01-563-6975
NSN 5920-01-432-2428
NSN 6105-00-133-6038
NSN 4140-01-477-4566
NSN 5945-00-611-7265
NSN 5965-00-009-8679
NSN 6650-01-164-0191