Fractional Tube Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 ODT-ØT(INCHES) BODY HEX F L 1-ND -102-1 1NU1 1/16 7/16 0.31 2-ND -202-1 2NU2 1/8 7/16 0.47 3-ND -302-1 3NU3 3/16 7/16 0.47 4-ND -402-1 4NU4 1/4 9/16 0.50 5-ND -502-1 5NU5 5/16 5/8 0.53 6-ND -602-1 6NU6 3/8 11/16 0.56 8-ND -812-1 8NU8 1/2 7/8 0.69 10-ND -1012-1 10NU10 5/8 1 0.69 12-ND -1212-1 12NU12 3/4 1-1/8 0.69 14-ND -1412-1 14NU14 7/8 1-1/4 0.69 16-ND -1612-1 16NU16 1 1-1/2 0.81 Note : Dimensions are for reference only and are subject to change. Metric Tube Excel Metal part no. Equivalent Part no. Type 1 Equivalent part no Type 2 ODT ØT(MM) BODY HEX F L 2M-ND -2M2-1 NUM2 2 11 11.9 3M-ND -3M2-1 NUM3 3 11 11.9 4M-ND -4M2-1 NUM4 4 11 11.9 6M-ND -6M2-1 NUM6 6 14 12.7 8M-ND -8M2-1 NUM8 8 16 13.5 10M-ND -10M2-1 NUM10 10 19 15.1 12M-ND -12M2-1 NUM12 12 22 17.5 14M-ND -14M2-1 NUM14 14 25 17.5 15M-ND -15M2-1 NUM15 15 25 17.5 16M-ND -16M2-1 NUM16 16 25 17.5 18M-ND -18M2-1 NUM18 18 30 17.5 20M-ND -20M2-1 NUM20 20 32 17.5 22M-ND -22M2-1 NUM22 22 32 17.5 25M-ND -25M2-1 NUM25 25 38 20.6 Note : Dimensions are for reference only and are subject to change.