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 6105-01-149-8368
NSN 6240-01-592-1261
NSN 6150-00-283-3884
NSN 5945-01-476-8644
NSN 6220-00-794-6636
NSN 6650-01-256-7038
NSN 6320-01-544-0860
NSN 6685-00-354-2086
NSN 6110-01-214-5794
NSN 5998-01-632-6988
NSN 5915-00-846-7632
NSN 6240-01-295-8262