Quote Originally Posted by millertime359 View Post
Only problem with that is those adapters are to go from NSPM to G1/4 and the T3 is G1/4 already. Also they don't have that lip the ghost fittings do. The o-ring is flush with the collar.
The difference between NPSM and BSPP is a minor change of thread O.D. and 1 TPI. Since all the threads on everything we use are so short (with the exception of the plastic Swifty barbs), it makes no difference as each will thread into the other. . .without problems. The difference in diameter is inconsequential.

As far as the lip on the GF, I think the o-ring on the BP should seal on that area in the T3 when installed.