1 1/4 - 12

S.C.C.

1 1/4 12 UNS 1A THREAD RING GAGE 1.25 GO ONLY P.D. = 1.1911 1.250-12 NS-1A TOOL

1 1/4 12 UNF 2A LEFT HAND THREAD RING GAGES 1.25 GO NO GO P.D.'S 1.1941 & 1.1879

LC / MERCURY

1 1/4 12 NF 3 THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.1959 & 1.1888 1.250 - 114122R1

METRO

1 1/4 12 NS 3 THREAD RING GAGE 1.25 GO ONLY P.D. = 1.1929 QUALITY INSPECTION

WIDELL

1 1/4 12 UNF 3A THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.1959 & 1.1913 NF-3A - JF2187MURL