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 2925-01-224-1885
NSN 4140-01-599-9383
NSN 5950-00-254-0070
NSN 6650-01-524-6791
NSN 5915-00-787-0405
NSN 5965-00-285-0745
NSN 5965-00-170-8676
NSN 5935-01-440-1303
NSN 6105-01-122-3835
NSN 5925-00-369-1596
NSN 5999-00-686-8016
NSN 5975-01-530-9227