Inch

HEMCO

1/2 12 N 2A THREAD RING GAGE .5 GO ONLY P.D. = .4444 UN-2A 1/2"-12 QUALITY TOOL - DW3260RD

PD

3 7/8 12 N 3A THREAD RING GAGE 3.875 NO GO ONLY P.D. = 3.8160 UN-3A INSPECTION - DW3266RD

PD

1 1/8 18 NEF 3A THREAD RING GAGES 1.125 GO NO GO P.D.'S = 1.0889 & 1.0853 TOOL - DW3233RD

DUNDICK

2 15/16 16 UNJS 3A SPL SPECIAL THREAD RING GAGES 2.9375 GO NO GO = 2.8941 2.8905 - DW3228RD

S.W.G. CO.

1 3/4 16 UNS 3A THREAD RING GAGES 1.75 GO NO GO P.D.'S = 1.7094 & 1.7033 NS-3A - DW3227RD

6 40 NF BEFORE PLATE THREAD RING GAGE #6 .138 GO ONLY P.D. = .1201 UNF TOOL - DW3224RD

7/16 27 UNS 2A BEFORE PLATE THREAD RING GAGES .4375 GO NO GO PDS= .4017 & .4079 - DW3191RD

GTD

5 44 NF 2A THREAD RING GAGES #5 .125 GO NO GO P.D.'S = .1095 & .1070 UNF-2A - DW3203RD

SCC

1 1/8 40 NS SPECIAL THREAD RING GAGES 1.125 GO NO GO P.D.'S = 1.1078 & 1.1017 - DW3207RD

1 1/16 27 UNS 1A THREAD RING GAGES 1.0625 GO NO GO P.D.'S = 1.0372 & 1.0312 - DW3192RD

1/4 40 UNS 3A THREAD RING GAGE .25 NO GO ONLY P.D. = .2316 NS-3A 1/4"-40 TOOL - DW3159BU

WAFCO

5/16 18 UNC 2A LEFT HAND THREAD RING GAGE .3125 NO GO ONLY P.D. = .2712 L.H. - DW3161BU