G Thread gauges plug and ring GG Whitworth pipe thread G, DIN-ISO 228 HS5S5E0 P PM Gauge dimensions ISO 228-2 Symbol MSBg MSRh MSRk Typ GO / NOGO GO NOGO Tolerance Tol A A G Ć d1 1”/P INDEX S3-302180 Y3-412180 Y3-422180 G-1/8” 9,73 28 3123 G-1/4” 13,16 19 3127 G-3/8” 16,66 19 3129 G-1/2” 20,96 14 3131 G-5/8” 22,91 14 3133 G-3/4” 26,44 14 3135 G-7/8” 30,20 14 3137 G-1” 33,25 11 3139 G-1.1/8” 37,90 11 3141 G-1.1/4” 41,91 11 3143 6 8 Example of order Available from stock S3-302180-3127 On request 223 MSBg G-1/4”