Tapered 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

Product Options

Please confirm that your Part Number is correct and adjust the other selections below to meet your application's requirements.

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PART NO. COLOR COMMON APPLICATION C D E F PRODUCT OPTIONS
in. in. in. in.
#1 Red N/A 0.115 2.921 0.176 4.470 0.403 10.236 0.311 7.899 Carton 25,000 1 1,000 100 352.50 49.40 17.26
#2 Red N/A 0.140 3.556 0.205 5.207 0.375 9.525 0.377 9.576 Sample 25,000 1 1,000 100 352.50 49.40 17.26
#3 Red N/A 0.172 4.369 0.233 5.918 0.379 9.627 0.375 9.525 Carton 25,000 1 1,000 100 352.50 49.40 17.26
#4 Red N/A 0.187 4.750 0.251 6.375 0.377 9.576 0.372 9.449 Carton 25,000 1 1,000 100 352.50 49.40 17.26
#5 Red N/A 0.209 5.309 0.266 6.756 0.379 9.627 0.435 11.049 Carton 20,000 1 1,000 100 282.00 49.40 17.26
#6 Red 5/16 Std Thr 0.237 6.020 0.293 7.442 0.381 9.677 0.473 12.014 Sample 15,000 1 1,000 100 211.50 49.40 17.26
#7 Red N/A 0.265 6.731 0.330 8.382 0.375 9.525 0.470 11.938 Select Pack 15,000 1 1,000 100 211.50 49.40 17.30
#8 Red 3/8 Std Thr 0.296 7.518 0.368 9.347 0.385 9.779 0.533 13.538 Kit Pack 25,000 1 1,000 100 352.50 49.40 17.26
#9 Red 1/8 NPT 0.325 8.255 0.397 10.084 0.377 9.576 0.559 14.199 Select Pack 22,500 1 1,000 100 342.00 53.60 18.74
#10 Red 7/16 Std Thr 0.357 9.068 0.427 10.846 0.380 9.652 0.579 14.707 Carton 20,000 1 1,000 100 304.00 53.60 18.74
#11 Red N/A 0.383 9.728 0.460 11.684 0.377 9.576 0.620 15.748 Sample 17,000 1 1,000 100 261.80 54.30 19.01
#12 Red 1/4 NPT, 1/2 Std Thr 0.423 10.744 0.488 12.395 0.380 9.652 0.596 15.138 Sample 17,000 1 1,000 100 261.80 54.00 18.87
#13 Red N/A 0.447 11.354 0.512 13.005 0.374 9.500 0.625 15.875 Carton 15,000 1 1,000 100 243.00 5