Insulator - Face Plate (One Piece); Late 40MT "Square Face" Style (3291, 3295, 3370, 3710, 3713, 3746, 3783, 3823, 3872, 3902, 3905, 3945, 3948, 3955, 4600, 4927, 4930, 4987, 6232, 6260, 6272, 6374, 6508, 6544, 6671, 6672)
Tags: D26115