7/16" x 24 pitch Banjo Bolt.
Part Reference Numbers: C0NN9A349B, 1103-3392
Model :172 Gas Eng, 1801 Indust/Const, 1811 Indust/Const, 1821 Indust/Const, 1841 Indust/Const, 1871 Indust/Const, 1881 Indust/Const, 2000 Series 4 Cyl 62-64, 2030 4 Cyl, 2031, 2110TR 4 Cyl, 2111, 2120 4 Cyl, 2131, 4000 Series 4 Cyl 62-64, 4000SU, 4030 4 Cyl 61-62, 4031, 4040, 4110TR 4 Cyl 63-64, 4120, 4121, 4130 4 Cyl 63-64, 4131, 4140, 500 Series 4 Cyl, 541, 600, 600 Series 4 Cyl, 6000, 601, 611, 620, 621, 63-64, 630, 631, 640, 641, 650, 651, 661, 671, 681, 700 Series 4 Cyl, 800, 800 Series 4 Cyl, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900 Series 4 Cyl, 901, Jubilee, NAA, NAB