For number 3 bearing
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 6650-01-040-3958
NSN 6105-00-868-3006
NSN 5985-01-035-9605
NSN 5975-01-487-5954
NSN 5985-00-936-5838
NSN 6105-01-090-1166
NSN 5975-01-331-5006
NSN 6135-00-223-9563
NSN 6320-01-600-5808
NSN 5996-01-358-7183
NSN 5930-01-344-7222
NSN 6220-00-230-0807