fbpx

Electrical Connector Caps & Covers

When you need reliable protection for your electrical connectors, Polymer Molding Inc. carries just the right products. RC Series electrical connector caps mate with male-threaded electrical connectors. The flange located on the top surface enables the part to be easily removed. The versatility of this round design also allows these parts to be used in many other capping applications. Here are some additional characteristics of our electrical connector covers and caps.

  • Typical wall thickness: .032
  • Color: Red
  • Material: Low Density Polyethylene
  • LDPE service temperature: 150° F (66° C)
  • Applicable specs: MS-90376-R, MS-25178, NAS-813, NAS-831
  • Conductive and static dissapative options are available (consult factory for details)
  • RoHS Compliant

Skim the charts below to determine the exact plastic connector covers and caps you need, request a sample, and move forward with your purchase.

RC 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

Standard LDPE

PART NO. COLOR MIL-SPEC MS90376 TO CAP
THREAD
SIZE
A B C D PRODUCT OPTIONS
in. in. in. in.
RC-1/2 Red MS90376-8R 1/2" 0.740 18.796 0.500 12.700 0.480 12.192 0.540 13.716 Carton 7,000 1 1,000 100 147.70 66.60 23.30
RC-9/16 Red MS90376-9R 9/16" 0.778 19.761 0.500 12.700 0.555 14.097 0.627 15.926 Carton 6,000 1 1,000 100 142.20 74.50 26.06
RC-5/8 Red MS90376-10R 5/8" 0.840 21.336 0.500 12.700 0.605 15.367 0.665 16.891 Carton 4,500 1 1,000 100 115.15 77.70 27.16
RC-3/4 Red MS90376-12R 3/4" 0.955 24.257 0.500 12.700 0.730 18.542 0.785 19.939 Carton 4,000 1 1,000 100 98.80 77.70 27.16
RC-7/8 Red MS90376-14R 7/8" 1.125 28.575 0.500 12.700 0.855 21.717 0.910 23.114 Carton 2,500 1 500 50 84.00 54.75 19.17
RC-1 Red MS90376-16R 1" 1.220 30.988 0.500 12.700 0.980 24.892 1.035 26.289 Carton 2,000 1 500 50 75.20 59.05 20.68
RC-1-1/8 Red MS90376-18R 1 1/8" 1.330 33.782 0.562 14.275 1.110 28.194 1.165 29.591 Carton 1,500 1 500 50 63.15 66.40 23.23
RC-1-3/16 Red MS90376-19R 1 3/16" 1.400 35.560 0.560 14.224 1.183 30.048 1.233 31.318 Carton 2,500 1 500 50 115.00 72.50 25.37
RC-1-1/4 Red MS90376-20R 1 1/4" 1.465 37.211 0.562 14.275 1.230 31.242 1.301 33.045 Carton 2,500 1 300 30 130.00 49.08 17.17
RC-1-3/8 Red MS90376-22R 1 3/8" 1.590 40.386 0.562 14.275 1.350 34.290 1.410 35.814 Carton 2,000 1 300 30 110.00 51.87 18.16
RC-1-7/16 Red MS90376-23R 1 7/16" 1.650 41.910 0.560 14.224 1.428 36.271 1.478 37.541 Carton 1,000 1 200 20 68.40 42.98 15.05
RC-1-1/2 Red MS90376-24R 1 1/2" 1.704 43.282 0.562 14.275 1.470 37.338 1.532 38.913 Carton 2,000 1 300 30 153.60 72.42 25.36
RC-1-9/16 Red MS90376-25R 1 9/16" 1.730 43.942 0.500 12.700 1.549 39.345 1.599 40.615 Carton 2,500 1 500 50 247.00 124.00 43.44
RC-1-5/8 Red MS90376-26R 1 5/8" 1.910 48.514 0.560 14.224 1.613 40.970 1.710 43.434 Carton 1,000 1 200 20 94.00 59.14 20.71
RC-1-3/4 Red MS90376-28R 1 3/4" 1.950 49.530 0.560 14.224 1.720 43.688 1.790 45.466 Carton 1,000 1 200 20 115.30 72.53 25.39
RC-2 Red MS90376-32R 2" 2.220 56.388 0.560 14.224 1.965 49.911 2.040 51.816 Carton 1,000 1 200 20 150.40 94.54 33.09
RC-2-1/4 Red MS90376-36R 2 1/4" 2.430 61.722 0.600 15.240 2.215 56.261 2.290 58.166 Carton 1,000 1 200 20 200.30 126.03 44.12
RC-2-1/2 Red MS90376-40R 2 1/2" 2.680 68.072 0.620 15.748 2.456 62.382 2.520 64.008 Carton 1,000 1 200 20 228.10 143.48 50.22
RC-2-3/4 Red MS90376-44R 2 3/4" 2.960 75.184 0.600 15.240 2.720 69.088 2.810 71.374 Carton 500 1 100 10 144.05 90.60 31.72
RC-3 Red MS90376-48R 3" 3.230 82.042 0.600 15.240 2.960 75.184 3.040 77.216 Carton 500 1 100 10 147.25 92.62 32.42
RC-4 Red MS90676-64R 4" 4.160 105.664 1 25.400 3.940 100.076 4.010 101.854 Carton 200 1 40 5 79.16 49.78 21.81

Static Dissipative LDPE

PART NO. COLOR TO CAP
THREAD
SIZE
A B C D PRODUCT OPTIONS
in. in. in. in.
RC-1/2-DIS Pink N/A 1/2" 0.740 18.796 0.500 12.700 0.480 12.192 0.540 13.716 Carton 7,000 1 1,000 100 511.00 234.20 77.98
RC-9/16-DIS Pink N/A 9/16" 0.778 19.761 0.500 12.700 0.555 14.097 0.627 15.926 Carton 6,000 1 1,000 100 456.00 243.60 81.26
RC-5/8-DIS Pink N/A 5/8" 0.840 21.336 0.500 12.700 0.605 15.367 0.665 16.891 Carton 4,500 1 1,000 100 355.95 253.80 84.54
RC-3/4-DIS Pink N/A 3/4" 0.955 24.257 0.500 12.700 0.730 18.542 0.785 19.939 Carton 4,000 1 1,000 100 333.20 267.10 89.08
RC-7/8-DIS Pink N/A 7/8" 1.125 28.575 0.500 12.700 0.855 21.717 0.910 23.114 Carton 2,500 1 500 50 219.00 140.05 46.82
RC-1-DIS Pink N/A 1" 1.220 30.988 0.500 12.700 0.980 24.892 1.035 26.289 Carton 2,000 1 500 50 215.20 155.95 51.99
RC-1-1/8 DIS Pink N/A 1 1/8" 1.330 33.782 0.562 14.275 1.110 28.194 1.165 29.591 Carton 1,500 1 500 50 368.55 171.50 71.60
RC-1-3/16-DIS Pink N/A 1 3/16" 1.400 35.560 0.560 14.224 1.183 30.048 1.233 31.318 Carton 2,500 1 500 50 383.25 245.70 81.89
RC-1-1/4-DIS Pink N/A 1 1/4" 1.465 37.211 0.562 14.275 1.230 31.242 1.301 33.045 Carton 2,500 1 300 30 294.75 113.40 37.82
RC-1-3/8-DIS Pink N/A 1 3/8" 1.590 40.386 0.562 14.275 1.350 34.290 1.410 35.814 Carton 2,000 1 300 30 259.60 124.86 41.60
RC-1-7/16-DIS Pink N/A 1 7/16" 1.650 41.910 0.560 14.224 1.428 36.271 1.478 37.541 Carton 1,000 1 200 20 148.50 95.20 31.72
RC-1-1/2-DIS Pink N/A 1 1/2" 1.704 43.282 0.562 14.275 1.470 37.338 1.532 38.913 Carton 2,000 1 300 30 285.40 137.25 48.03
RC-1-9/16-DIS Pink N/A 1 9/16" 1.730 43.942 0.500 12.700 1.549 39.345 1.599 40.615 Carton 2,500 1 500 50 395.25 253.40 88.69
RC-1-5/8-DIS Pink N/A 1 5/8" 1.910 48.514 0.560 14.224 1.613 40.970 1.710 43.434 Carton 1,000 1 200 20 165.90 106.40 37.24
RC-1-3/4-DIS Pink N/A 1 3/4" 1.950 49.530 0.560 14.224 1.720 43.688 1.790 45.466 Carton 1,000 1 200 20 174.00 111.52 39.03
RC-2-DIS Pink N/A 2" 2.220 56.388 0.560 14.224 1.965 49.911 2.040 51.816 Carton 1,000 1 200 20 238.30 152.82 53.48
RC-2-1/4-DIS Pink N/A 2 1/4" 2.430 61.722 0.600 15.240 2.215 56.261 2.290 58.166 Carton 1,000 1 200 20 317.70 203.64 71.27
RC 2-1/2-DIS Pink N/A 2 1/2" 2.680 68.072 0.620 15.748 2.456 62.382 2.520 64.008 Carton 1,000 1 200 20 375.44 240.66 84.23
RC-2-3/4-DIS Pink N/A 2 3/4" 2.960 75.184 0.600 15.240 2.720 69.088 2.810 71.374 Carton 500 1 100 10 228.30 146.37 51.23
RC-3-DIS Pink N/A 3" 3.230 82.042 0.600 15.240 2.960 75.184 3.040 77.216 Carton 500 1 100 10 233.35 149.63 52.37
RC-4-DIS Pink N/A 4" 4.160 105.664 1 25.400 3.940 100.076 4.010 101.854 Carton 200 1 40 5 129.18 82.82 36.24

Conductive LDPE

PART NO. COLOR TO CAP
THREAD
SIZE
A B C D PRODUCT OPTIONS
in. in. in. in.
RC-1/2-CON Black N/A 1/2" 0.740 18.796 0.500 12.700 0.480 12.192 0.540 13.716 Carton 7,000 1 1,000 100 728.00 233.80 81.89
RC-9/16-CON Black N/A 9/16" 0.778 19.761 0.500 12.700 0.555 14.097 0.627 15.926 Carton 6,000 1 1,000 100 478.95 242.80 85.12
RC-5/8-CON Black N/A 5/8" 0.840 21.336 0.500 12.700 0.605 15.367 0.665 16.891 Carton 4,500 1 1,000 100 384.75 274.10 95.92
RC-3/4-CON Black N/A 3/4" 0.955 24.257 0.500 12.700 0.730 18.542 0.785 19.939 Carton 4,000 1 1,000 100 360.40 288.80 101.07
RC-7/8-CON Black N/A 7/8" 1.125 28.575 0.500 12.700 0.855 21.717 0.910 23.114 Carton 2,500 1 500 50 238.50 152.95 53.54
RC-1-CON Black N/A 1" 1.220 30.988 0.500 12.700 0.980 24.892 1.035 26.289 Carton 2,000 1 500 50 210.60 168.70 59.05
RC-1-1/8-CON Black N/A 1 1/8" 1.330 33.782 0.562 14.275 1.110 28.194 1.165 29.591 Carton 1,500 1 500 50 173.85 185.70 64.99
RC-1-3/16-CON Black N/A 1 3/16" 1.400 35.560 0.560 14.224 1.183 30.048 1.233 31.318 Carton 2,500 1 500 50 414.25 265.65 88.57
RC-1-1/4-CON Black N/A 1 1/4" 1.465 37.211 0.562 14.275 1.230 31.242 1.301 33.045 Carton 2,500 1 300 30 318.75 122.64 40.87
RC-1-3/8-CON Black N/A 1 3/8" 1.590 40.386 0.562 14.275 1.350 34.290 1.410 35.814 Carton 2,000 1 300 30 280.80 135.03 47.26
RC-1-7/16-CON Black N/A 1 7/16" 1.650 41.910 0.560 14.224 1.428 36.271 1.478 37.541 Carton 1,000 1 200 20 151.80 97.30 35.23
RC-1-1/2-CON Black N/A 1 1/2" 1.704 43.282 0.562 14.275 1.470 37.338 1.532 38.913 Carton 2,000 1 300 30 308.80 148.47 49.51
RC-1-9/16-CON Black N/A 1 9/16" 1.730 43.942 0.500 12.700 1.549 39.345 1.599 40.615 Carton 2,500 1 500 50 427.50 274.05 91.34
RC-1-5/8-CON Black N/A 1 5/8" 1.910 48.514 0.560 14.224 1.613 40.970 1.710 43.434 Carton 1,000 1 200 20 179.50 115.08 40.28
RC-1-3/4-CON Black N/A 1 3/4" 1.950 49.530 0.560 14.224 1.720 43.688 1.790 45.466 Carton 1,000 1 200 20 188.10 120.62 42.21
RC-2-CON Black N/A 2" 2.220 56.388 0.560 14.224 1.965 49.911 2.040 51.816 Sample 1,000 1 200 20 242.90 155.76 54.51
RC-2-1/4-CON Black N/A 2 1/4" 2.430 61.722 0.600 15.240 2.215 56.261 2.290 58.166 Kit Pack 1,000 1 200 20 316.50 202.94 71.03
RC-2-1/2-CON Black N/A 2 1/2" 2.680 68.072 0.620 15.748 2.456 62.382 2.520 64.008 Carton 1,000 1 200 20 393.90 252.50 88.37
RC-2-3/4-CON Black N/A 2 3/4" 2.960 75.184 0.600 15.240 2.720 69.088 2.810 71.374 Carton 500 1 100 10 227.60 145.92 51.07
RC-3-CON Black N/A 3" 3.230 82.042 0.600 15.240 2.960 75.184 3.040 77.216 Carton 500 1 100 10 232.50 149.07 52.17
RC-4-CON Black N/A 4" 4.160 105.664 1 25.400 3.940 100.076 4.010 101.854 Carton 200 1 40 5 128.80 82.59 36.13

Committed to a Better Customer Experience

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.

Request Pricing