Nut, 3/4", SAE, Castellated

F2644R is a 3/4 inch SAE castellated nut used on JD500, JD500A, JD500B, JD500C, JD510 backhoe loaders, 50, 60, 70, JD500, 520, 530, JD600, 620, 630, 720, 730, 2510, 3010, 3020, 4020, 4520, 4620, A Not Styled, B Not Styled, G, and H tractors. The parts book references I have are:

G Page 99 Key 21, Page 150 Key 9, Page 151 Key 8, Page 153 Key 8
A Not Styled Page 56 Key 7
B Page 90 Key 1
50 Page 45-15 Key 28, Page 45-19 Key 11, Page 45-21 Key 8, Page 45-23 Key 9, Page 45-27 Key 8, Page 65-13 Key 10
60 Page 50-18 Key 9, Page 50-19 Key 9, Page 50-20 Key 4, Page 70-19 Key 10
70 Page 50-14 Key 8
720/730 Diesel Page 55-8 Key 9, Page 55-11 Key 7, Page 55-12 Key 4, Page 55-13 Key 8, Page 55-14 Key 4, Page 55-15 Key 8
520/530 Page 149 Key 26, Page 150 Key 13, Page 153 Key 7, Page 154 Key 9, Page 155 Key 8, Page 157 Key 7, Page 159 Key 12
620/630 Page 55-6 Key 9, Page 55-9 Key 7, Page 55-10 Key 8, Page 55-11 Key 7, Page 55-12 Key 4, Page 55-13 Key 7
720/730 Page 55-7 Key 9, Page 55-9 Key 7, Page 55-10 Key 4, Page 55-11 Key 8, Page 55-12 Key 4, Page 55-13 Key 8
2510 Page 65-2 Key 10, Page 65-6 Key 7
3010 Page 80-2 Key 10, Page 80-10 Key 7
3020 up to 122,999 Page 41-9 Key 33, Page 65-3 Key 10, Page 65-10 Key 7
3020 123,000 and up Page 41-9 Key 32
4020 up to 200,999 Page 41-11 Key 32, Page 65-3 Key 10, Page 65-9 Key 7
4020 201,000 and up Page 41-11 Key 32
4520 Page 41-9 Key 30
4620 Page 41-10 Key 30

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Nut, 3/4", SAE, Castellated
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  • Item #: F2664R
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