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 6105-01-062-1422
NSN 5895-00-887-0552
NSN 6610-01-294-5666
NSN 5895-00-621-6663
NSN 5915-01-213-1900
NSN 5985-01-498-8266
NSN 6145-00-113-6278
NSN 4140-00-392-7235
NSN 6320-01-347-2638
NSN 5895-01-136-5979
NSN 6685-01-025-3418
NSN 5910-01-162-0747