1 1/2 - 8

NEW 1 1/2 8 UN 3A THREAD RING GAGES 1.5 1.50 GO NO GO P.D.'S = 1.4188 & 1.4133 - JF3907MJ

BENDIX BESLY

1 1/2 8 NA 3A ACME THREAD RING GAGES 1.5 GO NO GO P.D.'S = 1.9315 & 1.9125 TOOL

M & J Tooling LLC

1 1/2 8 NA 3G NATIONAL ACME THREAD RING GAGE 1.5 GO ONLY P.D. = 1.4302 NA-3G

REGAL-BELOIT

1 1/2 8 NA 3G NATIONAL ACME THREAD RING GAGE 1.5 GO ONLY P.D. = 1.4218 QUALITY