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 5950-01-294-2893
NSN 6135-00-567-1322
NSN 6105-01-123-3525
NSN 5895-01-118-1684
NSN 6685-01-604-4054
NSN 5915-01-463-8413
NSN 6320-01-578-6006
NSN 5935-01-063-4400
NSN 5960-01-173-7956
NSN 6220-00-581-3858
NSN 6135-01-319-0623
NSN 5930-00-290-5894