NX-42 guidance chip

The NX-42 guidance chip is a miscellaneous quest item in Fallout 4.

Gameplay
It is an orange electronic chip card, used to insert into the Core Guidance System on the USS Constitution.

Locations
Located inside a file cabinet at the scavenger's outpost, west of the USS Constitution.
 * If siding with Ironsides, the file cabinet is marked as owned and the chip can only be stolen.
 * If siding with the scavengers, the file cabinet is marked as unowned and the chip can freely be taken.

Related quest

 * Last Voyage of the U.S.S. Constitution