What domes fit on a Dietz 7-40?

[Fruslore]

Hi

can anyone tell me what domes fit on a Dietz 7-40? I think a FedSig Model 14 dome fits, right?
Anything else that fits so that there are more chances to find a fitting dome?

Thanks!

 

[stansdds]

Dietz 240/7-40 (same as Signal Stat 312) and Federal Signal Model 14 domes definitely interchange.