Plated Hexagon Nuts 3/4" UNF (Pack 10) Models 135, 148, 165, 168, 175, 178, 185, 188, 230, 240, 243, 250, 253, 263, 265, 275, 290, 298, 342, 350, 355, 360, 362, 365, 372, 375, 382, 390, 390T, 396, 398, 399, 4215, 4220, 4225, 4235, 4245, 4255, 4260, 4265, 4270, 4315, 4325, 4335, 4355, 4360, 4365, 4370, 550, 565, 575, 5830, 590, 6030, 65, 675, 698, 698T, 699, 765, 40, 415, 435, 440, 425