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 5965-01-657-3412
NSN 6610-00-881-5060
NSN 6610-01-240-4753
NSN 5999-01-371-5517
NSN 5930-01-214-6001
NSN 6110-01-348-4511
NSN 5960-01-165-1956
NSN 6240-01-181-1187
NSN 5935-01-417-3161
NSN 6240-00-630-8069
NSN 6320-01-021-6633
NSN 6105-01-660-9054