Item is not csi but has critcal feature such as magnetic particle insp
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 6110-01-451-6087
NSN 6610-01-566-3304
NSN 6145-01-579-7994
NSN 5935-01-299-3073
NSN 6220-01-098-0187
NSN 6150-00-962-2183
NSN 5945-01-107-2311
NSN 5996-01-660-6888
NSN 5910-01-501-5099
NSN 5855-00-937-7709
NSN 5999-01-139-3720
NSN 7035-01-336-0464