Page 21 of Nylon Insert and All Metal Locknuts by Continental-Aero

21 QUICK REFERENCE ENGINEERING INFORMATION NU HEAVY HEX NYLON INSERT LOCKNUT C Prevailing Continental-Aero A B Across Weight Torque Part Number Size Thickness Across Flats Corners** Lbs./C In.-Lbs., Max. 1st Removal 5th Removal In.-Lbs., Min. In.-Lbs. Min. Breakaway Torque 29NU040 1/4-20 0.375 0.500 0.556 1.5 30 5 3.5 29NU058 5/16-18 0.438 0.562 0.624 2.1 60 8 5.5 29NU066 3/8-16 0.547 0.688 0.763 3.8 80 12 8.5 29NU074, 070 7/16-14, 7/16-20 0.594 0.754 0.829 4.8 100 17 12 29NU083, 080 1/2-13, 1/2-20 0.703 0.875 0.969 8.2 150 22 15 29NU092, 098 9/16-12, 9/16-18 0.797 0.938 1.037 10.0 200 30 21 29NU101, 108 5/8-11, 5/8-18 0.859 1.062 1.175 14.0 300 39 27 49NU120, 126 3/4-10, 3/4-16 1.000 1.250 1.382 23.0 400 58 41 49NU149, 144 7/8-9, 7/8-14 1.125 1.438 1.589 34.0 600 88 62 49NU168, 162, 164 1-8, 1-12, 1-14 1.281 1.625 1.796 48.0 800 120 84 49NU187, 188, 182 1 1/8-7, 1 1/8-8, 1 1/8-12 1.438 1.812 2.002 69.0 900 150 105 49NU207, 208, 202 1 1/4-7, 1 1/4-8, 1 1/4-12 1.641 2.000 2.209 92.0 1000 188 132 49NU226, 228, 222 1 3/8-6, 1 3/8-8, 1 3/8-12 1.797 2.188 2.416 120.0 1200 220 154 49NU246, 248, 242 1 1/2-6, 1 1/2-8, 1 1/2-12 1.922 2.375 2.622 150.0 1350 260 182 49NU265, 268, 262 1 5/8-5 1/2, 1 5/8-8, 1 5/8-12 2.141 2.562 2.886 185.0 49NU285, 288, 282 1 3/4-5, 1 3/4-8, 1 3/4-12 2.313 2.750 3.035 240.0 1400 280 204 49NU305, 308, 302 1 7/8-5, 1 7/8-8, 1 7/8-12 2.359 2.938 3.242 270.0 49NU324, 328, 322 2-4 1/2, 2-8, 2-12 2.406 3.125 3.449 310.0 1450 300 242 49NU364, 368, 362 2 1/4-4 1/2, 2 1/4-8, 2 1/4-12 2.813 3.500 3.862 450.0 49NU404, 408, 402 2 1/2-4, 2 1/2-8, 2 1/2-12 3.141 4.000 4.618 682.0 49NU444, 448, 442 2 3/4-4, 2 3/4-8, 2 3/4-12 3.141 4.000 4.618 580.0 49NU484, 488, 482 3-4, 3-8, 3-12 3.641 4.550 5.102 1000.0 Tolerances: Decimals .015/Angles 2 Unless Otherwise Specified. Reference Only. NTU HEAVY THIN HEX NYLON INSERT LOCKNUT C Prevailing Continental-Aero A B Across Weight Torque Part Number Size Thickness Across Flats Corners** Lbs./C In.-Lbs., Max. 1st Removal 5th Removal In.-Lbs., Min. In.-Lbs. Min. Breakaway Torque 29NTU040 1/4-20 0.281 0.500 0.556 1.0 30 5 3.5 29NTU058 5/16-18 0.313 0.562 0.624 1.4 60 8 5.5 29NTU066 3/8-16 0.406 0.688 0.763 2.7 80 12 8.5 29NTU074 7/16-14 0.438 0.750 0.829 3.3 100 17 12 29NTU083 1/2-13 0.531 0.875 0.969 5.4 150 22 15 29NTU101, 108 5/8-11, 5/8-18 0.609 1.062 1.175 9.2 300 39 27 49NTU120, 126 3/4-10, 3/4-16 0.703 1.250 1.382 15.0 400 58 41 49NTU149, 144 7/8-9, 7/8-14 0.781 1.438 1.587 21.0 600 88 62 49NTU168, 164 1-8, 1-14 0.891 1.625 1.796 30.0 800 120 84 49NTU187, 182 1 1/8-7, 1 1/8-12 0.969 1.812 2.002 43.0 900 150 105 49NTU207, 202 1 1/4-7, 1 1/4-12 1.109 2.000 2.209 57.0 1000 188 132 49NTU226, 222 1 3/8-6, 1 3/8-12 1.188 2.188 2.416 70.0 1200 220 154 49NTU246, 242 1 1/2-6, 1 1/2-12 1.313 2.375 2.622 95.0 1350 260 182 49NTU285, 282 1 3/4-5, 1 3/4-12 1.469 2.750 3.035 140.0 1400 280 204 49NTU324, 322 2-4 1/2, 2-12 1.672 3.125 3.449 200.0 1450 300 242 49NTU364, 362 2 1/4-4 1/2, 2 1/4-12 1.938 3.500 3.862 270.0 49NTU404, 402 2 1/2-4, 2- 1/2-12 2.187 4.000 4.618 425.0 49NTU444, 442 2 3/4-4, 2 3/4-12 2.187 4.000 4.618 375.0 49NTU484, 482 3-4, 3-12 2.725 4.550 5.102 675.0 Tolerances: Decimals .015/Angles 2 Unless Otherwise Specified. Reference Only.

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