According to engineer the item is not considered a critical safety item
A rigid item designed to maintain a predetermined space between two rotor, compressor, aircraft gas turbine engine. It may be a complete 360 degrees or a section thereof.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 5999-00-648-9107
NSN 2925-01-620-9673
NSN 6220-00-171-8638
NSN 5950-00-247-4838
NSN 5990-01-313-5543
NSN 5930-01-134-5470
NSN 5910-01-134-5114
NSN 5835-00-930-8500
NSN 5835-00-930-8500
NSN 6150-01-393-4476
NSN 5905-01-377-3638
NSN 5910-00-374-5048