NIB = New Open Box. NNB = New No Box. The item "Allen Bradley 1756-OF4 Analog Output Module" is in sale since Wednesday, May 30, 2018. This item is in the category "Business & Industrial\Industrial Automation & Motion Controls\PLCs & HMIs\PLC Processors". The seller is "plc-sales" and is located in North Dartmouth, Massachusetts. This item can be shipped worldwide.