Full Technical Description: Male Threaded, Tapered Female Threaded Type; Natural Zamak 2/3 Zinc (Body/Nut) Material; 2.46 Inch Diameter X 5.49 Inch Height Size; Imc/Rigid Conduit Used on; UL 514B, CUL, CSA C22.2 Approval; Grounding; 4 Inch Trade Size; NEMA 2/3/3R/4/4X/12, IP66, Vibrationproof, Chemical Resistance, Water/Dust Tight; Insulated Throat Type; Myers , Scru-Tite [R] Brand; Enclosure Rating Class I Div 2, Class II Div 1 and 2, Class III Div 1 and 2, Class I Zone 1 Aex E II, Class I Zone 1 Ex E II; Application Hazardous Location; Applicable Standard Nec/Cec, IEC; ST Model