Item 70004654 has must read information.
: JLG p/n 70004654 is the coil nut ONLY. If the o-ring for this coil nut is needed you must also purchase JLG p/n 70006246. 

NUT, COIL

$7.58
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70004654

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: 5.5  : 4  : 0.5  : 0.003

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EA
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NUT, COIL - 70004654