1 1/2 - 12

THREDCO

1 1/2 12 UNF 2A THREAD RING GAGE 1.5 NO GO ONLY P.D. = 1.4376 NF-2A INSPECTION - DW6432RD

GTD

1 1/2 12 UNF 1A THREAD RING GAGE 1.5 NO GO ONLY P.D. = 1.4344 NF-1A INSPECTION - DW3363RD

REPUBLIC

1 1/2 12 NF 3 THREAD RING GAGES 1.5 GO NO GO P.D.'S = 1.4459 & 1.4419 NF-3 1.50

DETROIT

1 1/2 12 NF 1 THREAD RING GAGES 1.5 GO NO GO P.D.'S = 1.4435 & 1.4356 1.50-12

TAFT - PIERCE

1 1/2 12 NF 1 THREAD RING GAGES 1.500 GO NO GO P.D.'S= 1.4420 & 1.4351

DETROIT

1 1/2 12 NF 1 THREAD RING GAGES 1.50 GO NO GO P.D.'S= 1.4435 & 1.4351 INSPECTION