Yea, I use an over the counter rattle can of semi-gloss or flat clear coat. Only tip I have to offer is watch up for excessive build up on the threads as that can make re-installation difficult. Touching up with a paint brush with c.caot sprayed into cup works great after install.
'Genny' 1964 1/2 coupe Cascade Green
'Jessie' 1966 coupe Arcadian Blue