The base code '/26WB35' specifies a straight plug (shell style 26) made of aluminum alloy (W) with an olive drab cadmium plating (W), and an insert arrangement of 11-35 (B35). The suffix 'SN' indicates crimp socket contacts (S) with normal insert rotation (N). This is a US aerospace/military hardware standard for circular connectors, specifically MIL-DTL-38999 Series III.