Just as long as your military customer is allowed to use such spares and hasn't been thumb-tied by some engineering idiot from the Bull$hit pavilions....
Ever heard of the TriStar which had a u/s nose tyre in the USA? It could have used one available locally, but instead some numpty insisted on dispatching a Herc all the way from the UK with an RAF-owned tyre......
"Access to the global Airbus support network is available to all A400M customers, through which they may receive operational, technical and engineering support from Airbus Military, its partners and suppliers for the life of the aircraft"
Assuming, of course, that some Wyton w*nk*r doesn't stick his oar in....