Submitted name is shroud, stage 1
An item within a case, compressor, aircraft gas turbine engine, designed to surround or partially surround a rotor, compressor, aircraft gas turbine engine. It's primary purpose is to protect other components of the engine in the event of an impeller or rotor break up.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 5950-00-504-5337
NSN 6620-01-512-2016
NSN 5950-01-023-3234
NSN 5960-01-538-2082
NSN 6130-01-400-6123
NSN 5920-00-269-4060
NSN 5920-01-346-8378
NSN 6620-00-510-5162
NSN 5965-00-557-9112
NSN 6620-01-158-9412
NSN 6130-01-304-4273
NSN 2925-01-103-1241