Geometry transparency with alpha map plugged in material

Hello and help! i have mesh that contains an Albedo with an alpha channel, a Normal map and a RMA map buth when i plug all the maps and abling the opacity option i can see through the geometry like when normals are inverted and i already checked them but the normals are correct ¿do anyone know how to avoid seeing through the geometry using opacity? im going to post images of the asset:

-This is the geometry that i can see thorugh and it is not suppose to happen:

-This are my conections:

Thanks!