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 and accessories, nesoi, of bodies (including cabs) of heading 8701 to 8705
NSN 5950-01-437-4195
NSN 5905-01-049-8176
NSN 5835-01-132-5894
NSN 2925-00-060-8292
NSN 5855-01-477-2660
NSN 5835-00-888-9422
NSN 6320-01-092-4101
NSN 4140-00-100-4563
NSN 5915-00-133-8562
NSN 5935-00-350-1896
NSN 6150-01-242-8267
NSN 5960-00-113-4314