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 5920-00-734-5519
NSN 5910-01-504-5480
NSN 5990-01-583-2870
NSN 5965-01-499-1528
NSN 5855-00-489-6754
NSN 5910-01-423-8788
NSN 5996-01-158-9695
NSN 5855-01-568-1532
NSN 6240-01-181-4474
NSN 6105-00-246-5311
NSN 5996-01-264-8463
NSN 6240-01-406-3589