3/8-16 UNC-2A E Roll Thread Snap Gage P.D. .3331/.3287
This item was purchased from an inventory reduction sale. We do not know the history of it. It is in good condition. We are not able to test it. The brand isn't marked on it, but it's possibly Pratt & Whitney. It only comes with what is shown in the pictures.
S383-13 v
81218178