Image Railroad Tank Car Connection Style F x TTMA Flange Markets Rail Tank Cars Jump to Section Product Options Related Products Product Options Part Number Angle Swivel Thread Size Swivel Thread Flange Size Seal Material ATCF40-90 90° 5" Railroad Tank Car 4" TTMA PTFE Nitrile Rubber Envelope Gasket Aluminum ATCF40 110° 5" Railroad Tank Car 4" TTMA PTFE Nitrile Rubber Envelope Gasket Aluminum Related Products Image Railroad Tank Car Connection Style GF TTMA Flange x Boss-Lock Coupler Image Railroad Tank Car Connection Style T x Male NPT Elbow Image Railroad Unloading Assemblies