3 3/4 - 8

S.G. CO.

3 3/4 8 STUB ACME THREAD RING GAGES 3.75 GO NO GO P.D.'S = 3.6975 & 3.6749 3.750 - DW11614AA1

NEW 3 3/4 8 UNJ 3A SOLID THREAD RING GAGES 3.75 GO NO GO PD'S = 3.6688 & 3.6621 - DW9633BU

HEMCO

3 3/4 8 STUB ACME 2G THREAD RING GAGES 3.75 GO NO GO P.D.'S = 3.6975 & 3.6753 - DW6495BU

REPUBLIC

3 3/4 8 N LEFT HAND THREAD RING GAGE 3.75 GO ONLY P.D. = 3.6688 L.H. INSPECTION - DW6275RD