Cter hole 2.10 diameter by 0.40 deep
A foam which hardens and is used to surround an item; i.E., an internal fuel tank. It provides protection from hostile fire and holds the item in position.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5999-01-547-4392
NSN 5996-00-241-5892
NSN 5925-00-864-6228
NSN 5998-00-203-1232
NSN 5998-01-348-7781
NSN 6610-01-382-7894
NSN 5950-00-835-1175
NSN 7035-01-296-4737
NSN 5945-01-258-5042
NSN 7035-01-407-6413
NSN 5985-01-310-4835
NSN 5905-01-245-3365