Comparison : Item # 1031-6804-02-04-02-NWO-SS, 5/16"-24 Male J.I.C. x 7/16"-20 Male Adjustable SAE O-Ring x 5/16"-24 Male J.I.C. Stainless Steel MJ-MAORB-MJ Run Tee
Item # 1031-6804-04-04-04-NWO-FG, 7/16"-20 Male J.I.C. x 7/16"-20 Male Adjustable SAE O-Ring x 7/16"-20 Male J.I.C. Forged Steel MJ-MAORB-MJ Run Tee
Item # 1031-6804-04-04-04-NWO-SS, 7/16"-20 Male J.I.C. x 7/16"-20 Male Adjustable SAE O-Ring x 7/16"-20 Male J.I.C. Stainless Steel MJ-MAORB-MJ Run Tee
Item # 1031-6804-04-06-04-NWO-FG, 7/16"-20 Male J.I.C. x 9/16"-18 Male Adjustable SAE O-Ring x 7/16"-20 Male J.I.C. Forged Steel MJ-MAORB-MJ Run Tee
Item # 1031-6804-04-06-06-NWO-FG, 7/16"-20 Male J.I.C. x 9/16"-18 Male Adjustable SAE O-Ring x 9/16"-18 Male J.I.C. Forged Steel MJ-MAORB-MJ Run Tee