variable of Key: Engine_#/Cylinder_#/Sealing_# or intsances 4/8/2 or Engine_#/Cylinder_#/Temperature or intsances 4/8 and i want a array in JS

/* want it to generate a array of when it makes 4 times 8 times 2 times each total 64 items in array

of instance is the order of each #
,,,
let equipmentKey = “Engine#/Cylinder_#/Sealing_#”,
let intestances = “4/8/2”

“Engine_1/Cylinder_1/Sealing_1” ,”key: “Engine_1/Cylinder_1/Sealing_2” to … “key: “Engine_4/Cylinder_8/Sealing_2”

I would like to have it like this

[
{
"key: "Engine_1/Cylinder_1/Sealing_1"  
},
{
"key: "Engine_1/Cylinder_1/Sealing_2"  
},
{
"key: "Engine_1/Cylinder_2/Sealing_1"  
},
{
"key: "Engine_1/Cylinder_2/Sealing_2"  
},
{
"key: "Engine_1/Cylinder_3/Sealing_1"  
},
{
"key: "Engine_1/Cylinder_3/Sealing_2"  
}



]