LAPP North America's current product catalog

Appendix Technical data

Cable glands Threading dimensions

NPT thread technical data for assembly ASA B2.1-1945

Core diameter (D1)

Pitch (P)

Nominal thread bore diameter (D3)

Thread size

in

mm

in

mm

in

mm

NPT ¼" NPT ⅜" NPT ½" NPT ¾" NPT 1" NPT 1¼" NPT 1½"

0.539 0.673 0.839 1.051 1.315 1.662 1.903 2.375

13.7 17.1 21.3 26.7 33.4 42.2 48.3 60.3

0.055 0.055 0.071 0.071 0.087 0.087 0.087 0.087

1.41 1.41 1.81 1.81 2.21 2.21 2.21 2.21

0.556 - 0.008 0.685 - 0.008 0.851 - 0.008 1.063 - 0.008 1.327 - 0.008 1.674 - 0.008 1.918 - 0.008 2.391 - 0.008

14.1 - 0.2 17.4 - 0.2 21.6 - 0.2 27.0 - 0.2 33.7 - 0.2 42.5 - 0.2 48.7 - 0.2 60.7 - 0.2

NPT 2"

PG thread technical data for assembly DIN 40430

Core diameter (D1)

Pitch (P)

Outside diameter (D2)

Nominal thread bore diameter (D3)

Thread size

in

mm

in

mm

in

mm

in

mm

PG 7 PG 9

0.492 0.598 0.732 0.803 0.886 1.115 1.457 1.851 2.127 2.336

12.5 15.2 18.6 20.4 22.5 28.3 37.0 47.0 54.0 59.3

0.050 0.055 0.055 0.055 0.055 0.063 0.063 0.063 0.063 0.063

1.27 1.41 1.41 1.41 1.41 1.59 1.59 1.59 1.59 1.59

0.445 0.547 0.681 0.752 0.835 1.055 1.398 1.792 2.068 2.277

11.3 13.9 17.3 19.1 21.2 26.8 35.5 45.5 52.5 57.8

0.504 - 0.008 0.611 - 0.008 0.745 - 0.008 0.816 - 0.008 0.898 - 0.008 1.127 - 0.008 1.474 - 0.012 1.868 - 0.012 2.143 - 0.012 2.352 - 0.012

12.8 - 0.2 15.5 - 0.2 18.9 - 0.2 20.7 - 0.2 22.8 - 0.2 28.6 - 0.2 37.4 - 0.3 47.4 - 0.3 54.4 - 0.3 59.7 - 0.3

PG 11 PG 13 PG 16 PG 21 PG 29 PG 36 PG 42 PG 48

Metric thread technical data for assembly, EN 60423 (for cable glands EN 50 262)

Core diameter (D1)

Pitch (P)

Outside diameter (D2)

Nominal thread bore diameter (D3)

Thread size

in

mm

in

mm

in

mm

in

mm

M12 x 1.5 M16 x 1.5 M20 x 1.5 M25 x 1.5 M32 x 1.5 M40 x 1.5 M50 x 1.5 M63 x 1.5 M75 x 1.5 M90 x 2.0 M110 x 2.0

0.472 0.630 0.788 0.985 1.260 1.576 1.970 2.482 2.955 3.546 4.334

12.0 16.0 20.0 25.0 32.0 40.0 50.0 63.0 75.0 90.0 110.0

0.059 0.059 0.059 0.059 0.059 0.059 0.059 0.059 0.059 0.078 0.078

1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 1.50 2.00 2.00

0.417 0.575 0.732 0.929 1.205 1.520 1.914 2.427 2.899 3.498 4.286

10.6 14.6 18.6 23.6 30.6 38.6 48.6 61.6 73.6 88.8

0.484 - 0.008 0.642 - 0.008 0.799 - 0.008 0.996 - 0.008 1.272 - 0.008 1.591 - 0.012 1.985 - 0.012 2.497 - 0.012 2.969 - 0.012 3.559 - 0.012 4.347 - 0.012

12.3 - 0.2 16.3 - 0.2 20.3 - 0.2 25.3 - 0.2 32.3 - 0.2 40.4 - 0.3 50.4 - 0.3 63.4 - 0.3 75.4 - 0.3 90.4 - 0.3 110.4 - 0.3

108.8

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