Cleveland Controls NS2-1306-02 Pressure Switch

is this a replacement for NS2-1306-00 or NS2-1306-01?

The 100112658 is identical to NS2-1306-00, please check if this works for you:
https://www.gsistore.com/products/lochinvar-a-o-smith-100112658-pressure-switch?_pos=1&_sid=c73c39858&_ss=r

NS2-1306-01 and NS2-1306-02 are two different parts.