For stage 2
A single or multi-piece item of metallic construction, specifically designed to form either a tight fuel or oil seal in an engine, gas turbine, aircraft.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 5895-01-356-9198
NSN 5915-01-534-2133
NSN 6645-01-407-0204
NSN 5905-01-197-2517
NSN 5985-01-153-0781
NSN 5990-01-554-8547
NSN 6320-01-132-2746
NSN 6150-01-158-5438
NSN 5855-01-406-7237
NSN 7035-01-104-5446
NSN 5910-01-255-6559
NSN 5925-00-102-1351