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C Series

Plastic End Caps for Product Protection
C Series
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End Caps

C Polymer End Caps

Welcome to Polymer Molding; we’re proud to offer reliable, strong, and affordable plastic end caps for plastic tubes, fittings, and rod ends. For a secure finish on your piping, trust our C polymer end caps. We engineer these top-quality plastic end caps for durability and to provide an optimal fit. Our plastic tube end caps ensure protection during transport, handling, and storage.

C series end caps provide a snug friction fit that is ideal for capping and protecting the outside diameters of threaded and non-threaded tubing, fittings, and rod ends. When searching for round tube end caps, there’s no better choice than Polymer Molding. View our table below to find the ideal caps for your application or to request a sample first.

Experience the Polymer Molding difference today with our trusted C polymer end caps. They're the superior choice in the industry, promising uncompromising reliability. If you’d like to learn more about Polymer Molding and our superior caps and molds, contact our staff today.

  • Typical wall thickness: .032
  • Color: Blue
  • Material: Low Density Polyethylene
  • LDPE service temperature: 150° F (66° C)
  • Applicable specs: MIL-C-5501/9, MIL-C-52078, NAS-844
  • RoHS Compliant
C Series product diagram

Product Options

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

Make Your Selection Below

PART NO. COLOR A
TO FIT OUTSIDE DIAMETER		 B
INSIDE LENGTH		 PRODUCT OPTIONS
in. in.
C-1/8 Blue 1/8 3.175 0.625 15.875 Carton 25,000 1 1,000 100 672.50 84.40 29.52 1,425
C-5/32 Blue 5/32 3.962 0.625 15.875 Carton 25,000 1 1,000 100 550.00 93.00 32.54 1,426
C-3/16 Blue 3/16 4.775 0.625 15.875 Carton 25,000 1 1,000 100 672.50 84.30 29.49 1,427
C-7/32 Blue 7/32 5.563 0.750 19.050 Carton 20,000 1 1,000 100 440.00 75.30 24.27 1,428
C-1/4 Blue 1/4 6.350 0.873 22.174 Carton 15,000 1 1,000 100 303.00 63.40 22.21 1,429
C-9/32 Blue 9/32 7.137 0.875 22.225 Carton 13,000 1 1,000 100 262.60 63.40 22.21 1,430
C-5/16 Blue 5/16 7.950 0.875 22.225 Carton 12,000 1 1,000 100 231.60 60.40 21.13 1,431
C-3/8 Blue 3/8 9.525 0.865 21.971 Carton 8,500 1 1,000 100 182.75 68.20 23.84 1,432
C-7/16 Blue 7/16 11.125 0.865 21.971 Carton 7,000 1 1,000 100 167.30 75.30 26.33 1,433
C-1/2 Blue 1/2 12.700 0.860 21.844 Carton 5,000 1 1,000 100 129.00 81.20 28.41 1,434
C-9/16 Blue 9/16 14.300 0.865 21.971 Carton 4,000 1 1,000 100 107.60 84.30 29.51 1,435
C-5/8 Blue 5/8 15.875 0.865 21.971 Carton 3,500 1 1,000 100 103.60 93.00 32.54 1,436
C-11/16 Blue 11/16 17.475 0.860 21.844 Carton 3,000 1 1,000 100 98.10 102.80 35.98 1,437
C-23/32 Blue 23/32 18.263 0.715 18.161 Carton 5,000 1 1,000 100 179.00 112.40 39.29 1,438
C-3/4 Blue 3/4 19.050 0.868 22.047 Carton 5,000 1 1,000 100 179.00 112.40 39.29 1,439
C-25/32-1 Blue 25/32 19.837 1 25.400 Carton 4,000 1 1,000 100 146.40 115.20 40.26 1,440
C-13/16 Blue 13/16 20.650 0.863 21.920 Carton 4,500 1 1,000 100 164.70 115.20 40.26 1,441
C-7/8 Blue 7/8 22.225 0.860 21.844 Carton 4,000 1 1,000 100 160.80 126.20 44.13 1,442
C-15/16 Blue 15/16 23.825 0.860 21.844 Carton 3,500 1 500 50 147.70 66.60 23.31 1,443
C-1 Blue 1 25.400 0.860 21.844 Carton 3,000 1 500 50 141.30 73.90 25.87 1,444
C-1-1/16 Blue 1 1/16 27.000 0.860 21.844 Carton 3,000 1 500 50 152.70 80.00 28.00 1,445
C-1-1/8 Blue 1 1/8 28.575 0.860 21.844 Carton 2,500 1 500 50 127.25 80.00 28.00 1,446
C-1-3/16 Blue 1 3/16 30.175 1 25.400 Carton 2,000 1 500 50 106.80 83.90 29.37 1,447
C-1-1/4 Blue 1 1/4 31.750 0.985 25.019 Carton 1,800 1 500 50 102.96 89.80 31.44 1,448
C-1-5/16 Blue 1 5/16 33.350 0.990 25.146 Carton 1,500 1 200 20 85.80 35.92 12.58 1,449
C-1-3/8 Blue 1 3/8 34.925 0.990 25.146 Carton 1,700 1 200 20 101.49 37.60 13.17 1,450
C-1-1/2 Blue 1 1/2 38.100 0.980 24.892 Carton 1,400 1 200 20 95.62 45.08 15.04 1,451
C-1-5/8 Blue 1 5/8 41.275 0.980 24.892 Carton 1,200 1 200 20 92.16 48.28 16.90 1,452
C-1-3/4 Blue 1 3/4 44.450 0.980 24.892 Carton 900 1 200 20 77.22 53.98 18.89 1,453
C-1-7/8 Blue 1 7/8 47.625 0.990 25.146 Carton 1,000 1 200 20 89.50 56.34 19.72 1,454
C-2 Blue 2 50.800 1 25.400 Carton 800 1 200 20 76.40 59.96 20.99 1,455
C-2-1/8 Blue 2 1/8 53.975 0.965 24.511 Carton 800 1 100 10 88.80 34.94 24.47 1,456
C-2-1/4 Blue 2 1/4 57.150 0.960 24.384 Carton 700 1 100 10 75.95 34.08 12.24 1,457
C-2-3/8 Blue 2 3/8 60.325 0.960 24.384 Carton 700 1 100 10 77.70 34.95 12.24 1,458
C-2-1/2 Blue 2 1/2 63.500 0.975 24.765 Carton 500 1 100 10 55.35 34.82 12.19 1,459
C-2-3/4 Blue 2 3/4 69.850 1 25.400 Carton 450 1 100 10 56.66 39.60 13.87 1,460
C-3 Blue 3 76.200 0.985 25.019 Carton 350 1 50 5 57.89 26.00 9.11 1,461
C-3-1/8 Blue 3 1/8 79.375 1.235 31.369 Carton 300 1 50 5 55.23 28.96 10.14 1,462
C-3-1/4 Blue 3 1/4 82.550 1.250 31.750 Carton 350 1 50 5 83.48 37.50 13.12 1,463
C-3-1/2 Blue 3 1/2 88.900 1 25.400 Carton 300 1 50 5 76.44 40.07 14.03 1,464
C-4 Blue 4 101.600 1.360 34.544 Carton 150 1 25 5 58.02 30.41 21.28 1,465
C-5 Blue 5 127 1.375 34.925 Carton 100 1 20 5 59.18 37.23 32.57 1,466

More Options

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When you call Polymer Molding Inc. during normal business hours, your call will be answered by a live person, every time. It is our sincere commitment to lead the market in exceptional customer service, because you deserve to do business with a company that truly cares about you and your product needs. Our knowledgeable, friendly and helpful sales and customer service representatives will take the time to help you select the best parts for your applications at the most competitive prices in the industry. We are here to answer questions, process your orders, and prepare your shipments quickly and efficiently. Click the button below to compare our pricing and see the Polymer Molding difference.

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