Earlier quoted context omitted.
Sometimes, but not always. People tend to underestimate how much costs are coming from certification, testing and corresponding warranties. The F-117 so did canabalize quite some "spares" bought for the F-16 and F-15 fleets.
A trash can needs to be tested and certified for use in the Pentagon? ... holding a small collection of waste is that intense eh?
If it catches fire on the $330M plane it's made for, potentially.
https://en.wikipedia.org/wiki/1968_Thule_Air_Base_B-52_crash involved a ~$80M (adjusting for inflation) lost B-52, another $80M in cleanup costs, and a still missing 1.1 megaton nuclear weapon, over a couple pillows that caught fire.