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 5905-01-588-8846
NSN 6105-01-287-9756
NSN 5950-01-008-4960
NSN 5985-00-100-1296
NSN 5998-00-633-5169
NSN 5975-01-650-7233
NSN 5935-00-285-2767
NSN 5910-01-501-0652
NSN 5945-00-296-8464
NSN 5855-01-261-5495
NSN 5925-00-419-1950
NSN 2925-00-749-8893