1 1/4 - 20

LINCOLN GAGE

1 1/4 20 NS 2A LEFT HAND THREAD RING GAGE 1.25 GO ONLY P.D. = 1.2161 L.H. 1.250 - DW10370RD

REGAL-BELOIT

1 1/4 20 NS 2 THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.2175 & 1.2123 1.250 - DW9848BHTX

PRATT & WHITNEY

1 1/4 20 USF THREAD RING GAGE 1.25 NO GO ONLY P.D. = 1.2165 1.250 1.2500 CHECK - DW9547BU

SCC

1 1/4 20 UN 2A LEFT HAND THREAD RING GAGES 1.25 GO NO GO P.D.'S= 1.2161 & 1.2114

VERMONT

1 1/4 20 NS 3 VERMONT THREAD RING GAGE 1.25 GO ONLY P.D. = 1.2175 INSPECTION

PRATT & WHITNEY

1 1/4 20 NS 3 THREAD RING GAGES 1.25 GO NO GO P.D.'S = 1.2175 & 1.2135 NS-3 TOOL

THREADS INC.

1 1/4 20 UN 3A LEFT HAND THREAD RING GAGES 1.25 GO NO GO PD'S = 1.2175 & 1.2140