1 1/2 - 4

S.G. CO.

1 1/2 4 NA 2G ACME THREAD RING GAGE 1.5 4.0 NO GO ONLY P.D. = 1.3429 INSPECTION - DW8920BU

S.G. CO.

1 1/2 4 NA 2G ACME THREAD RING GAGES 1.5 4.0 GO NO GO P.D.'S = 1.3652 & 1.3429 - DW7136CG

S.G. CO.

1 1/2 4 NA 2G ACME THREAD RING GAGES 1.5 4.0 GO NO GO P.D.'S = 1.3492 & 1.3309 - DW7133CG

G.A. CO.

1 1/2 4 NA STUB ACME THREAD RING GAGE 1.5 4.0 NO GO ONLY P.D. = 1.3929 TOOL - DW4529RD

1 1/2 4 NA LEFT HAND ACME THREAD RING GAGES 1.5 GO NO GO P.D.'S= 1.3450 & 1.3350