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: Undercarriages and parts thereof, for use in military aircraft
NSN 6135-01-222-0703
NSN 5996-00-679-3764
NSN 5999-01-376-5319
NSN 6110-00-870-2698
NSN 5996-01-385-0884
NSN 5990-00-424-8872
NSN 5950-01-502-7019
NSN 5996-01-064-4868
NSN 5945-01-056-5035
NSN 6320-01-072-2073
NSN 2925-00-420-8151
NSN 5835-01-452-4947