Comparison : Item # 1031-6902-04-02-NWO-FG, 7/16"-20 Male Adjustable SAE O-Ring x 1/8"-27 Swivel FPT Forged Steel MAORB-FPS 45° Elbow
Item # 1031-6902-04-04-NWO-FG, 7/16"-20 Male Adjustable SAE O-Ring x 1/4"-18 Swivel FPT Forged Steel MAORB-FPS 45° Elbow
Item # 1031-6902-04-06-NWO-FG, 7/16"-20 Male Adjustable SAE O-Ring x 3/8"-18 Swivel FPT Forged Steel MAORB-FPS 45° Elbow
Item # 1031-6902-06-04-NWO-FG, 9/16"-18 Male Adjustable SAE O-Ring x 1/4"-18 Swivel FPT Forged Steel MAORB-FPS 45° Elbow
Item # 1031-6902-06-06-NWO-FG, 9/16"-18 Male Adjustable SAE O-Ring x 3/8"-18 Swivel FPT Forged Steel MAORB-FPS 45° Elbow