Defense attorney Timothy Woodward said the pleas weren't part of a deal with prosecutors, who plan to seek a state prison term for Nolan.
Nolan was treasurer of the Upper Gwynedd Township fire company for 24 years and township fire marshal for about two decades.
Authorities said he used cash advances from the nonprofit to pay for jewelry, computers, clothing, sporting events and trips to Miami, Jamaica and China as well as his daughter's Las Vegas wedding.