1 1/2 - 8

PRATT & WHITNEY

1 1/2 8 NS 3 SET THREAD PLUG GAGE 1.5 GO NO GO P.D.'S = 1.4188 & 1.4125 UNS-3 - DW8346BU

REGAL BELOIT

1 1/2 8 UN 2A LEFT HAND SET THREAD PLUG GAGE 1.5 GO ONLY P.D. = 1.4166 L.H. 1.50