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 5920-00-556-6698
NSN 6320-00-456-0836
NSN 5910-01-013-5040
NSN 6145-01-472-4661
NSN 5996-01-070-7565
NSN 6220-00-233-7436
NSN 6105-01-147-6037
NSN 2925-00-174-4322
NSN 6650-01-451-1372
NSN 5999-00-125-0964
NSN 6135-00-862-5736
NSN 5950-00-648-2539