pipe thread(NPT) seals on the THREADS which is why you use teflon or some type of thread seal
AN(army navy) seals on the flare. which is why you should NEVER use teflon tape on it.
pipe thread(NPT) seals on the THREADS which is why you use teflon or some type of thread seal
AN(army navy) seals on the flare. which is why you should NEVER use teflon tape on it.