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 5990-00-837-7240
NSN 6135-01-238-2878
NSN 6610-01-425-6960
NSN 5990-01-487-0871
NSN 6240-01-272-9019
NSN 5998-01-261-8121
NSN 6240-01-032-4624
NSN 5930-01-028-8486
NSN 5998-01-583-6572
NSN 5950-01-603-1584
NSN 5925-01-355-2420
NSN 5998-01-327-0266