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 5960-01-641-5493
NSN 5975-00-105-6937
NSN 7035-01-049-6776
NSN 6685-01-411-0436
NSN 5996-00-063-9282
NSN 7035-00-870-0290
NSN 5895-00-926-2633
NSN 5950-01-432-1331
NSN 6145-00-903-3491
NSN 6150-01-278-3245
NSN 5855-01-522-5457
NSN 6135-00-269-5843