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 5930-00-415-1908
NSN 6135-01-648-2284
NSN 6645-00-930-9356
NSN 5945-01-419-9013
NSN 6685-00-684-7891
NSN 5920-00-768-5814
NSN 6130-01-315-9673
NSN 5996-00-248-7061
NSN 5945-00-596-2665
NSN 5950-00-286-3301
NSN 4140-01-632-6958
NSN 6105-01-031-0854