We had a Mits tech post this once. I cant see it being a problem, done occasionally, just for a short time while parked. I ran my tranny dry numerous times during one period many years ago, and it never hurt the pump.(problem with some relocated lines)

1996 SR From the Area 51 Skunk Works. 37"BFG Tires, 5" lift, Rock Track 4:1 Case, Tom Woods Drive Shafts, Oasis Air, Front ARB, lifted gas tank, T-max winch and lots of stuff that cost too much.