1 7/8

ALAMEDA

1 7/8 4 NS 2 THREAD RING GAGES 1.875 4.0 GO NO GO P.D.'S = 1.7126 & 1.7008 CHECK - DW10384BU

DOALL

1 7/8 8 STUB ACME THREAD RING GAGES 1.875 GO NO GO P.D.'S = 1.8265 & 1.8077 - DW9851BHTX

SOUTHERN GAGE CO.

1 7/8 40 UN 2A THREAD RING GAGES 1.875 GO NO GO P.D.'S = 1.8576 & 1.8538 NEW?

1 7/8 32 NS THREAD RING GAGE 1.875 GO ONLY P.D. = 1.8547 UNS 1.8750-32 QUALITY

1 7/8 16 N 3 THREAD RING GAGE 1.875 NO GO ONLY P.D. = 1.8305 INSPECTION TOOL

HEMCO

1 7/8 16 N 3A THREAD RING GAGE 1.875 NO GO ONLY P.D.= 1.8304 TOOL 1 7/8-16 UN-3A

CADILLAC GAGE CO.

1 7/8 12 NS THREAD RING GAGE 1.875 NO GO ONLY P.D. = 1.8113 QUALITY INSPECTION

G.A. CO.

1 7/8 6 UN 2A THREAD RING GAGES 1.875 GO NO GO P.D.'S = 1.7642 & 1.7558 QUALITY

S.W.G.CO. / THREAD CONTROL CO.

1 7/8 32 NS 2A THREAD RING GAGES 1.875 GO NO GO P.D.'S = 1.8535 & 1.8494 NS-2A

S.G. CO

1 7/8 8 UN 3A THREAD RING GAGES 1.875 GO NO GO P.D.'S = 1.7938 & 1.7881