NPT Thread gauges plug and ring NPT American tapered pipe thread NPT 1:16, ANSI B-1.20.1 600 P 1:16 Gauge dimensions ANSI/ASME B1.20.1 Symbol MSXa MSXc Typ Tolerance NPT Tol Ć d1 1”/P INDEX S3-332100 Y3-432100 1/16” 27 4621 1/8” 27 4623 1/4” 18 4627 3/8” 18 4629 1/2” 14 4631 3/4” 14 4635 1” 11.1/2 4639 1.1/4” 11.1/2 4643 1.1/2” 11.1/2 4647 2” 11.1/2 4655 6 8 i Technical information concerning use of gauges NPT in the technical part of the catalogue on p. 303 Example of order Available from stock S3-332100-4627 On request 227 MSXa 1/4” NPT