Comparison : Item # 1031-2403-02-02, 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Steel MJ-MJ Straight
Item # 1031-2403-02-02-B, 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Brass MJ-MJ Straight
Item # 1031-2403-02-02-SS, 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Stainless Steel MJ-MJ Straight
Item # 1031-2403-03-02, 3/8"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Steel MJ-MJ Straight
Item # 1031-2403-03-02-SS, 3/8"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Stainless Steel MJ-MJ Straight