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.
NSN 5985-01-339-3830
NSN 7035-01-412-8322
NSN 5990-01-357-6175
NSN 5910-00-990-6024
NSN 6105-01-293-7688
NSN 5996-00-818-3738
NSN 5925-01-585-9699
NSN 5945-01-605-3053
NSN 7035-01-567-1028
NSN 6110-01-507-4452
NSN 5945-00-775-9362
NSN 5975-00-369-7306