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1" 8 UNC 3B THREAD PLUG GAGE 1.0 1.00 1.000 1.0000 NO GO ONLY P.D. = .9254 CHECK - DW24626RD

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1.0938 & 1.1038 DIA. SMOOTH PIN PLUG GAGE GO NO GO UNDERSIZE 1.125 1.1250 1 1/8

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1.2490 & 1.2540 DIA. SMOOTH PIN PLUG GAGE GO NO GO UNDER & OVERSIZE 1.2500 1 1/4

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1.5220 CLASS X GO SMOOTH BORE RING GAGE 1.5 + .022 OVERSIZE 1 1/2 INSPECTION

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1.7450 & 1.7550 CLASS Z SMOOTH PIN PLUG GAGE GO NO GO 1.750 UNDER-OVERSIZE 1 3/4

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1/4 18 NPT L1 PIPE THREAD RING GAGE .25 .250 .2500 N.P.T. NATIONAL TAPER ANPT - DW3893BURL

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1/4 20 NC 2B EXTRA LONG THREAD PLUG GAGE .25 GO NO GO P.D.'S = .2175 & .2223 - DW15321LVR

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1/4 20 NC 2B EXTRA LONG THREAD PLUG GAGE .25 GO ONLY P.D. = .2175 UNC-2B OR 3B - DW17611LVR

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1/4 20 NC 3 THREAD RING GAGE .25 .250 .2500 NO GO ONLY P.D. = .2149 UNC-3 CHECK - DS0717BU

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1/4 28 NF 3 SET THREAD PLUG GAGE .25 .250 .2500 GO NO GO P.D.'S = .2258 & .2236 - DW18693RD

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1/4 28 NF 3 THREAD PLUG GAGE .25 .250 GO NO GO P.D.'S = .2268 & .2290 UNF-3 - DT1415BU

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1/4 28 UNF 3A SET THREAD PLUG GAGE .25 .250 .2500 GO ONLY P.D. = .2268 CHECK - CS3973MS