B7810A and B8214 coax cable have similar dimensions to LMR400, CFD400 low loss cable, so the N plug for B7810A or B8214 coaxial cable is same as N plug for LMR400, CFD400 low loss cable. The PN is C27CA38L40001.
N connector has bigger size in RF connectors. This N connector is straight plug/male with crimping. This N plug straight type can be crimped with B8214, B7810A coaxial cable to be N RF cable/ N cable/N pigtail.
Please link N connector plug straight crimp for RG58/LMR195 to get details and drawing of C27CA38L40001.