Coupling Steel Trade Size 4 in Overall Length 7 11/16 in Finish Zinc Plated Insulated No Compatible Conduit Type EMT Thread Size 4 in-8 Thread Type NPSM Elbow Angle Not Applicable Conduit Fitting Type Connector Standards cUL Listed Federal Specification NumberA-A-50553 LEED NEMA FB-1 REACH Compliance RoHS Complaint UL File NumberE24001 UL Standard UL-514B For Use With EMT Conduit For Conduit Type EMT Elbow Radius Not Applicable Connection Orientation Straight