1 3/8 - 8

S.W.G. CO.

1 3/8 8 NA 2G ACME THREAD RING GAGE 1.375 GO ONLY P.D. = 1.3031 1.3750 CHECK - DW11604AA1

PD

1 3/8 8 N 2A THREAD RING GAGE 1.375 GO ONLY P.D. = 1.2916 UN-2A INSPECTION CHECK - DW8025BU

GODWIN

1 3/8 8 N 2 THREAD RING GAGES 1.375 GO NO GO P.D.'S = 1.2938 & 1.2852 UN-2 CHECK - DW7780BU

FOWLER

NEW 1 3/8 8 UN 2A THREAD RING GAGES 1.375 GO NO GO P.D.'S = 1.2916 & 1.2844 N-2A

G.A. CO.

1 3/8 8 UN 1A THREAD RING GAGES 1.375 GO NO GO P.D.'S= 1.2916 & 1.2812 1 3/8-8