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 6135-00-010-5275
NSN 5990-01-534-8609
NSN 5975-01-324-2775
NSN 2925-01-361-5310
NSN 6150-00-758-0928
NSN 5915-01-209-5119
NSN 5985-01-368-3913
NSN 5985-01-289-5776
NSN 5965-01-422-4823
NSN 6240-01-508-2848
NSN 5975-01-485-3770
NSN 5998-01-246-0882