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 6645-01-244-4881
NSN 5835-01-614-1900
NSN 5935-01-144-6139
NSN 6110-01-551-7206
NSN 5996-01-137-6008
NSN 6130-01-281-8380
NSN 6650-01-658-1748
NSN 5835-01-046-9615
NSN 5920-00-276-8657
NSN 6240-01-642-2836
NSN 4140-01-011-1019
NSN 6220-01-609-1917