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 5945-01-219-0823
NSN 5910-01-359-8909
NSN 5925-01-179-4774
NSN 5935-00-883-6032
NSN 2925-00-169-3775
NSN 5915-01-245-8157
NSN 2925-00-753-8598
NSN 5895-01-545-6910
NSN 6150-01-386-6968
NSN 6220-01-040-1406
NSN 6320-00-456-0836
NSN 6105-00-189-0515