Checkexternal NPT thread size and taper. For Thread Type: For Thread Location: For Pipe Size. Wd. Ht. Thick. Color : Each: Aluminum. NPT. External: 1/16, 1/8, 1/4, 3/8, 1/2. 2" 3" 1/4 " Blue: 2 mm-78 cm: 60" 3 7/8 " 3/64 " 36" 2 mm (1 cm), 16ths (1") Gray: White: 360° F: 0000000: 00000: 6"-30" 2 mm-77 cm: 120" 5 1/4 " 3/64 " 36" 2 mm (1 2- 11 1/2 -32 59.3 2.33 56.4 2.22 2 1/2 - 8 -40 71.5 2.82 69.1 2.72 3 - 8 -48 87.3 3.44 84.8 3.34 NPT Threads Dimensions NPT THREAD SIZE & PITCH DASH SIZE FEMALE THREAD I.D. inch - TPI mm inch 1/8 - 27 -02 8.6 0.34 1/4 - 18 -04 11.9 0.47 3/8 - 18 -06 15.0 0.59 1/2 - 14 -08 19.1 0.75 3/4 - 14 -12 24.6 0.97 1 - 11 1/2 -16 30.5 1.20 1 1/4 - 11 1/ Notef: MIL—P—7105 gives the wrench makeup as three threads for 3 in. and smaller. The E 3 dimensions are then as follows for MIL—P—7105: Size 2 1⁄2 in., 2.69609 and size 3 in., 3.31719. - The maximum allowable deviation in the commercial product is one turn large or small from gages made to the basic dimensions. NPT Pipe Threads mminch mm inch NPT 1/4" 13.72. 0.54. 14.0. 0.55. NPT 3/8" 17.15 0.68 17.5 0.69 48.5. 1.91. NPT 2" 60.33 2.38 60.5 2.38. n. ds 423. n. Thread Standard . PG acc. to DIN 40430. n Thread Standard . NPT acc. to ANSI B1.20.1. Hole Sizes Technical Data - Cord Grips & Accessories. 866-722-2974. info@ MO OD . Title ANSIASME B1.20.1: collects the specifications for the NPT thread, replacing the original ANSI B2.1. ANSI B20.3: contains the NPTF thread specifications, replacing the original ANSI B2.2. ANSI B.20.5: contains the specification of the gauges to verify the NPTF thread. Having trouble finding the fittings you need? Thispage provided the thread dimensions of 3/8 - 18 NPTF; NPTF stands for National Pipe Thread Fuel, based on ASTM B1.20.3. It is also called Dryseal Pipe Thread. It is a variation of the more popular NPT thread standard based on ASTM B1.20.1. Learn more about NPTF and the difference between NPTF and NPT; 3/8 - 18 NPTF - External Basic Thread Threadand hole dimensions – technical data for installation Metric thread to EN 60423 (for screw connections to IEC 62444) Metric thread to DIN 13 part 6 and 7 (for screw connections to DIN 89 280) BSPTBSPP /JIS BSP JIC & UNO NPT British Standard Pipe (Tapered) British Standard Pipe (Paralell) UNF Thread National Pipe Thread -06 3/8” 3/8”x19 .656” .594” 3/8”x19 .656” .594” 9/16”x18 .563” .500” 3/8”x18 .687” .594” -48 3” 101.6 9.53 Imperial Thread Chart sales@taipan.com.au eTiz.

3 8 npt thread dimensions in mm