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 7035-00-455-7666
NSN 5925-01-630-3607
NSN 6645-00-483-2981
NSN 5855-00-132-4898
NSN 5920-01-545-0661
NSN 6320-01-228-2380
NSN 5990-00-571-8892
NSN 4140-01-324-7768
NSN 4140-00-400-4872
NSN 6130-00-167-7584
NSN 6685-01-025-1587
NSN 6610-00-733-5830