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 6645-01-641-7066
NSN 5925-01-141-4703
NSN 5999-00-654-4214
NSN 5905-01-364-8166
NSN 5925-01-356-5684
NSN 5915-01-009-5472
NSN 5985-00-584-3795
NSN 6130-01-177-1600
NSN 5930-01-308-2027
NSN 5975-01-064-0370
NSN 5930-00-491-1459
NSN 6620-01-157-9267