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 6220-01-583-8696
NSN 6220-01-322-0671
NSN 5915-01-201-2937
NSN 6240-01-435-6019
NSN 5965-01-105-4194
NSN 4140-00-395-7006
NSN 5930-00-837-3665
NSN 6145-01-076-3699
NSN 5895-01-450-6656
NSN 5998-01-357-6348
NSN 6610-01-461-8180
NSN 5996-01-349-6986