12063, Cole Hersee Diecast, Self-Grounding 7-pole Connector. Mounts through a 2" (50.8mm) hole.
Conforms to ATA, RCCC (RP-102), SAE J605b, FMVSS-121, FIEI TTMA RP40-73 standards and recommendations, and is compatible with other J560b connectors. Mounting holes on the flanges are oval .488" x .325" (12.4 x 8.3mm). 2.93" on centers (74.6mm). Lead time 3 weeks if item is not in stock.