3 3/8 - 12

3 3/8 12 UNJS 3A THREAD RING GAGE 3.375 3 3/8"-12 NO GO ONLY INSPECTION TOOL - DW3863BU

S.G. CO.

3 3/8 12 UN 3B THREAD RING GAGES 3.375 GO NO GO P.D.'S = 3.3209 & 3.3272 ? N-2B