The Empire Faucets RV Kitchen Faucet # EM65FR does not have a removable spout like you're needing for your pop-up.
Instead, take a look at the:
-Phoenix Faucets RV Kitchen Faucet # PF211326.
This faucet, unlike most faucets, has a removable spout like what you're needing. However, since this faucet has a pretty low-profile design you may not even need to remove the spout. view full answer...