poly-plugs

The Tapered Series can be used as either a plug or cap* depending on application. Excellent for protecting threads and keeping unwanted contamination out of pipes, valves, tubing and most other cylindrical openings. The most economical solution for protecting standard size threads, unified threads, N.P.T. and metric size fittings or ports.
Refer to Cap sizes HERE.

  • Typical wall thickness .032
  • Color: Red
  • Material: Low Density Polyethylene
  • LDPE service temperature: 150° F (66° C)
  • Applicable specs: MIL-C-5501/7 (MIL-C-52078), NAS-834
  • Most sizes available in thermoplastic rubber for higher heat applications
  • Thermoplastic rubber service temperature: 275° F (135° C)
  • RoHS Compliant
Tapered Series Plugs
PART NO. COMMON APPLICATION C D E F BOX
QTY.
SELECT PACK
QTY.
KIT PACK
QTY.
PART NO.
in. mm. in. mm. in. mm. in. mm.
1 0.115 2.92 0.176 4.47 0.403 10.24 0.311 7.90 25,000 1,000 100 1
2 0.140 3.56 0.205 5.21 0.375 9.53 0.377 9.58 25,000 1,000 100 2
3 0.172 4.37 0.233 5.92 0.379 9.63 0.375 9.53 25,000 1,000 100 3
4 0.187 4.75 0.251 6.38 0.377 9.58 0.372 9.45 25,000 1,000 100 4
5 0.209 5.31 0.266 6.76 0.379 9.63 0.435 11.05 20,000 1,000 100 5
6 5/16 std. thrd. 0.237 6.02 0.293 7.44 0.381 9.68 0.473 12.01 15,000 1,000 100 6
7 0.265 6.73 0.330 8.38 0.375 9.53 0.470 11.94 15,000 1,000 100 7
8 3/8 std. thrd. 0.296 7.52 0.368 9.35 0.385 9.78 0.533 13.54 25,000 1,000 100 8
9 1/8 N.P.T. 0.325 8.26 0.397 10.08 0.377 9.58 0.559 14.20 22,500 1,000 100 9
10 7/16 std. thrd. 0.357 9.07 0.427 10.85 0.380 9.65 0.579 14.71 20,000 1,000 100 10
11 0.383 9.73 0.460 11.68 0.377 9.58 0.620 15.75 17,000 1,000 100 11
12 1/4 N.P.T., 1/2 std. thrd. 0.423 10.74 0.488 12.40 0.380 9.65 0.596 15.14 17,000 1,000 100 12
13 0.447 11.35 0.512 13.00 0.374 9.50 0.625 15.88 15,000 1,000 100 13
14 9/16 std. thrd. 0.474 12.04 0.554 14.07 0.498 12.65 0.719 18.26 9,000 1,000 100 14
15 0.495 12.57 0.577 14.66 0.438 11.13 0.750 19.05 9,000 1,000 100 15
16 5/8 std. thrd. 0.529 13.44 0.623 15.82 0.501 12.73 0.752 19.10 7,500 1,000 100 16
17 3/8 N.P.T. 0.548 13.92 0.630 16.00 0.500 13.00 0.784 19.91 7,500 1,000 100 17
18 0.588 14.94 0.676 17.17 0.529 13.44 0.877 22.28 5,000 1,000 100 18
19 0.603 15.32 0.694 17.63 0.495 12.57 0.839 21.31 6,000 1,000 100 19
20 3/4 std. thrd. 0.629 15.98 0.728 18.49 0.492 12.50 0.872 22.15 6,000 1,000 100 20
21 0.672 17.07 0.755 19.18 0.500 12.70 0.875 22.23 5,000 1,000 100 21
22 1/2 N.P.T. 0.690 17.53 0.779 19.79 0.620 15.75 0.938 23.83 4,000 1,000 100 22
23 0.730 18.54 0.827 21.01 0.502 12.75 1.004 25.50 4,500 1,000 100 23
24 7/8 std. thrd. 0.752 19.10 0.849 21.56 0.621 15.77 1.032 26.21 6,000 1,000 100 24
25 0.800 20.32 0.914 23.22 0.747 18.97 1.024 26.01 5,000 1,000 100 25
26 0.812 20.62 0.933 23.70 0.620 15.75 1.123 28.52 5,000 1,000 100 26
27 3/4 N.P.T. 0.867 22.02 0.971 24.66 0.747 18.97 1.130 28.70 4,500 1,000 100 27
27x 3/4 N.P.T. 0.869 22.07 0.974 24.74 0.629 15.98 1.127 28.63 5,000 1,000 100 27x
28 1-1/16 std. thrd. 0.893 22.68 1.038 26.37 0.620 15.75 1.153 29.29 5,000 1,000 100 28
29 0.984 24.99 1.054 26.77 0.500 12.70 1.253 31.83 2,500 500 50 29
30 0.955 24.26 1.092 27.74 0.747 18.97 1.243 31.57 3,500 500 50 30
31 0.993 25.22 1.137 28.88 0.749 19.02 1.306 33.17 3,500 500 50 31
32 1 N.P.T. 1.098 27.89 1.217 30.91 0.740 18.80 1.497 38.02 2,500 500 50 32
33 1.166 29.62 1.279 32.49 0.743 18.87 1.431 36.35 2,500 500 50 33
34 1-5/16 std. thrd. 1.219 30.96 1.351 34.32 0.746 18.95 1.497 38.02 2,500 500 50 34
35 1.236 31.39 1.359 34.52 0.749 19.02 1.497 38.02 2,500 500 50 35
36 1.289 32.74 1.352 34.34 0.377 9.58 1.504 38.20 2,000 500 50 36
37 1.312 33.32 1.465 37.21 0.750 19.05 1.625 41.28 2,000 500 50 37
37x 1.085 27.56 1.358 34.49 0.810 20.57 1.560 39.62 2,000 500 50 37x
38 1.346 34.19 1.513 38.43 0.995 25.27 1.751 44.48 1,300 200 20 38
39 1-1/4 N.P.T. 1.452 36.88 1.593 40.46 0.741 18.82 1.748 44.40 1,800 200 20 39
40 1-5/8 std. thrd. 1.519 38.58 1.596 40.54 0.496 12.60 1.749 44.42 2,500 200 20 40
40x 1.516 38.51 1.601 40.67 0.748 19.00 1.753 44.53 1,700 200 20 40x
41 1-3/4 std. thrd. 1.559 39.60 1.683 42.75 0.739 18.77 1.874 47.60 1,500 200 20 41
42 1.627 41.33 1.757 44.63 0.743 18.87 2.004 50.90 1,200 200 20 42
42x 1.790 45.47 1.815 46.10 0.405 10.29 1.995 50.67 2,000 200 20 42x
43 1-1/2 N.P.T., 1-7/8 std. thrd. 1.741 44.22 1.873 47.57 0.739 18.77 2.050 52.07 1,200 200 20 43
44 1.806 45.87 1.933 49.10 0.995 25.27 2.109 53.57 900 200 20 44
45 1.835 46.10 2.010 51.05 0.984 24.99 2.185 55.50 900 200 20 45
46 1.903 48.34 2.076 52.73 0.995 25.27 2.244 57.00 850 200 20 46
47 1.982 50.34 2.115 53.72 0.995 25.27 2.210 56.13 800 200 20 47
48 1.998 50.75 2.140 54.36 0.742 18.85 2.320 58.93 1,000 200 20 48
49 2-1/4 std. thrd. 2.069 52.55 2.240 55.47 0.994 25.25 2.500 63.50 700 100 10 49
50 2 N.P.T. 2.215 56.26 2.260 57.40 0.491 12.47 2.473 62.81 1,200 200 20 50
51 2.162 54.91 2.343 59.51 1.000 25.40 2.640 67.06 600 100 10 51
52 2.134 54.20 2.380 60.45 0.994 25.25 2.481 63.02 700 200 20 52
53 2.301 58.45 2.457 62.41 0.995 25.27 2.621 66.57 600 100 10 53
54 2.400 60.96 2.600 66.04 1.000 25.40 2.812 71.42 500 100 10 54
55 2.486 63.14 2.632 66.85 0.745 18.92 2.738 69.55 700 100 10 55
56 2.306 58.57 2.654 67.41 0.997 25.32 2.747 69.77 750 100 10 56
57 2.475 62.87 2.750 69.85 1.000 25.40 2.875 73.03 600 100 10 57
58 2.567 65.20 2.679 68.05 0.997 25.32 2.874 73.00 450 100 10 58
59 2-1/2 N.P.T. 2.648 67.26 2.796 71.02 0.746 18.95 3.008 76.40 500 100 10 59
60 3 std. thrd. 2.862 72.69 2.983 75.77 0.749 19.02 3.265 82.93 500 100 10 60
61 2.759 70.08 3.003 76.28 1.000 25.40 3.115 79.12 500 100 10 61
61x 2.977 75.62 3.103 78.82 0.783 19.89 3.344 84.94 500 100 10 61x
62 3.002 76.25 3.145 79.88 0.743 18.87 3.363 85.42 500 100 10 62
63 3.004 76.30 3.251 82.58 0.999 25.37 3.394 86.21 400 100 10 63
64 3.099 78.71 3.377 85.78 0.993 25.22 3.496 88.80 400 100 10 64
65 3 N.P.T. 3.334 84.68 3.461 87.91 0.752 19.10 3.633 92.28 400 50 5 65
66 3.291 83.59 3.600 91.44 0.999 25.37 4.009 101.83 300 50 5 66
67 3.468 88.09 3.620 91.95 0.746 18.95 3.991 101.37 350 50 5 67
68 3.680 93.47 3.800 96.52 0.750 19.05 4.000 101.60 300 50 5 68
69 3-1/2 N.P.T. 3.806 96.67 3.938 100.03 0.745 18.92 4.150 105.41 300 50 5 69
70 3.926 99.72 4.072 103.43 0.737 18.72 4.368 110.95 300 50 5 70
70x 3.941 100.10 4.085 103.76 0.790 20.01 4.400 111.76 250 50 5 70x
71 4.042 102.67 4.155 105.54 0.750 19.05 4.499 114.27 250 50 5 71
72 4 N.P.T. 4.240 107.70 4.463 113.36 1.002 25.45 5.020 127.51 300 50 5 72
73 4.366 110.90 4.622 117.40 0.997 25.32 4.985 126.62 250 50 5 73
80 4.621 117.37 4.830 122.68 0.935 23.75 5.220 132.59 150 50 5 80
83 4.928 125.17 5.104 129.64 1.050 26.67 5.540 140.72 100 25 5 83
90 8.150 202.01 8.350 212.09 1.420 36.07 8.750 222.25 30 10 5 90

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