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 2925-01-502-5896
NSN 6150-00-279-9337
NSN 5996-01-199-8555
NSN 5945-01-644-0060
NSN 5905-01-063-4066
NSN 5925-01-634-0664
NSN 6610-01-417-6336
NSN 7035-00-897-7567
NSN 6135-01-324-4692
NSN 5910-00-269-4755
NSN 6135-01-577-0811
NSN 5915-00-278-5561