What is the thread size of the mounting nuts, 23220-00003, for a NQ interior in a MH enclosure?

Issue:
Thread size of the mounting nuts for NQ and NF interiors in an MH enclosure

Product Line:
PTFDS - FD Enclosure Systems

Environment:
NQ panelboards sold and supported in North America

Cause:
Thread size of mounting nuts for NQ panelboards in the MH enclosures

Resolution
5/16-18

Released for: Schneider Electric USA