Al Union Thread Gender Male to Female Trade Size 2 in Ends - Hazardous Fittings 2 in FNPT x 2 in MNPT Overall Length 2 7/8 in Outside Diameter 2.88 in Overall Width 2 13/16 in Weight 0.44 lb Aluminum Finish Unfinished Hazardous Location Rating Class I Divisions 1 and 2 Groups A B C D Class II Divisions 1 and 2 Groups E F G Class III Divisions 1 and 2 UNF For Use With IMC Rigid Conduit Threaded Conduit Conduit Fitting Type Union Connection Orientation Straight