Standard Circular Connector

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EC Series Caps

Caplugs EC Series Caps are designed for threaded connectors and fit 36-pin and 68-pin Champ 050 connectors and 50-pin Champ-type connectors. These EC threaded caps are designed for easy application and removal in areas not readily accessible. The EC series caps can be installed over threads or cylindrical surfaces. Caplugs EC Series Caps are made of low-density polyethylene material and available in red color.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Shell Material	Accessory Type	Diameter	Height	Series
Standard Circular Connector 76.2mm Red PE EC-48 Caplugs 1: $1.50 616In Stock	Mfr. Part # EC-48 Mouser Part # 376-EC-48	Caplugs	Standard Circular Connector 76.2mm Red PE Learn More about Caplugs ec caps	Datasheet	616In Stock	$1.50 $1.26 $1.21 $1.13 View $1.03 $0.775 $0.771	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	82.04 mm	15.24 mm	EC
Standard Circular Connector 101.6mm Red PE EC-64 Caplugs 1: $1.65 250In Stock	Mfr. Part # EC-64 Mouser Part # 376-EC-64	Caplugs	Standard Circular Connector 101.6mm Red PE Learn More about Caplugs ec caps	Datasheet	250In Stock	$1.65 $1.39 $1.34 $1.03 View $0.857 $0.844	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	105.66 mm	25.4 mm	EC
Standard Circular Connector 69.85mm Red PE EC-44 Caplugs 1: $1.29 611In Stock 500On Order	Mfr. Part # EC-44 Mouser Part # 376-EC-44	Caplugs	Standard Circular Connector 69.85mm Red PE Learn More about Caplugs ec caps	Datasheet	611In Stock 500On Order	$1.29 $1.08 $1.04 $0.97 View $0.883 $0.666 $0.662	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	75.18 mm	15.24 mm	EC
Standard Circular Connector 15.88mm Red PE EC-10 Caplugs 1: $0.208 88,422In Stock	Mfr. Part # EC-10 Mouser Part # 376-EC-10	Caplugs	Standard Circular Connector 15.88mm Red PE Learn More about Caplugs ec caps	Datasheet	88,422In Stock	$0.208 $0.156 $0.148 $0.073 $0.069	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	21.34 mm	12.7 mm	EC
Standard Circular Connector 19.05mm Red PE EC-12 Caplugs 1: $0.221 53,031In Stock	Mfr. Part # EC-12 Mouser Part # 376-EC-12	Caplugs	Standard Circular Connector 19.05mm Red PE Learn More about Caplugs ec caps	Datasheet	53,031In Stock	$0.221 $0.168 $0.148 $0.078 $0.074	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	24.64 mm	12.7 mm	EC
Standard Circular Connector 28.58mm Red PE EC-18 Caplugs 1: $0.286 20,135In Stock	Mfr. Part # EC-18 Mouser Part # 376-EC-18	Caplugs	Standard Circular Connector 28.58mm Red PE Learn More about Caplugs ec caps	Datasheet	20,135In Stock	$0.286 $0.244 $0.216 $0.187 View $0.166 $0.138 $0.129 $0.125 $0.12	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	33.78 mm	14.22 mm	EC
Standard Circular Connector 30.16mm Red PE EC-19 Caplugs 1: $0.299 21,016In Stock	Mfr. Part # EC-19 Mouser Part # 376-EC-19	Caplugs	Standard Circular Connector 30.16mm Red PE Learn More about Caplugs ec caps	Datasheet	21,016In Stock	$0.299 $0.256 $0.226 $0.196 View $0.174 $0.144 $0.134 $0.13 $0.12	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	35.56 mm	14.22 mm	EC
Standard Circular Connector 31.75mm Red PE EC-20 Caplugs 1: $0.325 30,353In Stock	Mfr. Part # EC-20 Mouser Part # 376-EC-20	Caplugs	Standard Circular Connector 31.75mm Red PE Learn More about Caplugs ec caps	Datasheet	30,353In Stock	$0.325 $0.277 $0.244 $0.212 View $0.189 $0.156 $0.146 $0.142 $0.134	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	37.34 mm	14.22 mm	EC
Standard Circular Connector 34.93mm Red PE EC-22 Caplugs 1: $0.351 18,188In Stock	Mfr. Part # EC-22 Mouser Part # 376-EC-22	Caplugs	Standard Circular Connector 34.93mm Red PE Learn More about Caplugs ec caps	Datasheet	18,188In Stock	$0.351 $0.299 $0.264 $0.229 View $0.203 $0.169 $0.157 $0.152 $0.146	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	40.39 mm	14.22 mm	EC
Standard Circular Connector 38.1mm Red PE EC-24 Caplugs 1: $0.468 15,703In Stock	Mfr. Part # EC-24 Mouser Part # 376-EC-24	Caplugs	Standard Circular Connector 38.1mm Red PE Learn More about Caplugs ec caps	Datasheet	15,703In Stock	$0.468 $0.399 $0.352 $0.306 View $0.27 $0.225 $0.209 $0.204 $0.194	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	43.18 mm	14.22 mm	EC
Standard Circular Connector 41.28mm Red PE EC-26 Caplugs 1: $1.05 8,214In Stock	Mfr. Part # EC-26 Mouser Part # 376-EC-26	Caplugs	Standard Circular Connector 41.28mm Red PE Learn More about Caplugs ec caps	Datasheet	8,214In Stock	$1.05 $0.909 $0.832 $0.75 View $0.685 $0.566 $0.53 $0.528 $0.497	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	48.51 mm	14.22 mm	EC
Standard Circular Connector 6.35mm Red PE EC-4 Caplugs 1: $0.182 48,187In Stock	Mfr. Part # EC-4 Mouser Part # 376-EC-4	Caplugs	Standard Circular Connector 6.35mm Red PE Learn More about Caplugs ec caps	Datasheet	48,187In Stock	$0.182 $0.137 $0.113 $0.101 View $0.087 $0.082 $0.064 $0.06	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	12.19 mm	12.7 mm	EC
Standard Circular Connector 22.23mm Red PE EC-14 Caplugs 1: $0.299 10,594In Stock 30,000Expected 11/2/2026	Mfr. Part # EC-14 Mouser Part # 376-EC-14	Caplugs	Standard Circular Connector 22.23mm Red PE Learn More about Caplugs ec caps	Datasheet	10,594In Stock 30,000Expected 11/2/2026	$0.299 $0.237 $0.233 $0.213	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	28.7 mm	12.7 mm	EC
Standard Circular Connector 23.62mm Red PE EC-15 Caplugs 1: $0.325 10,507In Stock	Mfr. Part # EC-15 Mouser Part # 376-EC-15	Caplugs	Standard Circular Connector 23.62mm Red PE Learn More about Caplugs ec caps	Datasheet	10,507In Stock	$0.325 $0.25 $0.207 $0.185 View $0.159 $0.134 $0.121 $0.10	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	30.48 mm	12.7 mm	EC
Standard Circular Connector 25.4mm Red PE EC-16 Caplugs 1: $0.273 15,126In Stock	Mfr. Part # EC-16 Mouser Part # 376-EC-16	Caplugs	Standard Circular Connector 25.4mm Red PE Learn More about Caplugs ec caps	Datasheet	15,126In Stock	$0.273 $0.226 $0.20 $0.174 View $0.153 $0.134 $0.118 $0.116 $0.112	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	30.99 mm	12.7 mm	EC
Standard Circular Connector 36.51mm Red PE EC-23 Caplugs 1: $0.455 1,406In Stock	Mfr. Part # EC-23 Mouser Part # 376-EC-23	Caplugs	Standard Circular Connector 36.51mm Red PE Learn More about Caplugs ec caps	Datasheet	1,406In Stock	$0.455 $0.389 $0.345 $0.299 View $0.264 $0.218 $0.205 $0.182	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	41.91 mm	14.22 mm	EC
Standard Circular Connector 39.69mm Red PE EC-25 Caplugs 1: $0.494 2,452In Stock 5,000Expected 10/30/2026	Mfr. Part # EC-25 Mouser Part # 376-EC-25	Caplugs	Standard Circular Connector 39.69mm Red PE Learn More about Caplugs ec caps	Datasheet	2,452In Stock 5,000Expected 10/30/2026	$0.494 $0.421 $0.372 $0.322 View $0.286 $0.238 $0.221 $0.196	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	43.94 mm	12.19 mm	EC
Standard Circular Connector 44.45mm Red PE EC-28 Caplugs 1: $0.494 5,176In Stock	Mfr. Part # EC-28 Mouser Part # 376-EC-28	Caplugs	Standard Circular Connector 44.45mm Red PE Learn More about Caplugs ec caps	Datasheet	5,176In Stock	$0.494 $0.42 $0.372 $0.277 View $0.226 $0.218 $0.216 $0.189	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	49.53 mm	14.22 mm	EC
Standard Circular Connector 50.8mm Red PE EC-32 Caplugs 1: $0.728 1,869In Stock	Mfr. Part # EC-32 Mouser Part # 376-EC-32	Caplugs	Standard Circular Connector 50.8mm Red PE Learn More about Caplugs ec caps	Datasheet	1,869In Stock	$0.728 $0.629 $0.576 $0.52 View $0.475 $0.358 $0.347	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	56.39 mm	14.22 mm	EC
Standard Circular Connector 57.15mm Red PE EC-36 Caplugs 1: $1.04 1,280In Stock	Mfr. Part # EC-36 Mouser Part # 376-EC-36	Caplugs	Standard Circular Connector 57.15mm Red PE Learn More about Caplugs ec caps	Datasheet	1,280In Stock	$1.04 $0.897 $0.82 $0.74 View $0.676 $0.485 $0.475	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	61.72 mm	15.24 mm	EC
Standard Circular Connector 63.5mm Red PE EC-40 Caplugs 1: $1.24 3,075In Stock	Mfr. Part # EC-40 Mouser Part # 376-EC-40	Caplugs	Standard Circular Connector 63.5mm Red PE Learn More about Caplugs ec caps	Datasheet	3,075In Stock	$1.24 $1.05 $1.00 $0.94 View $0.855 $0.77 $0.645 $0.641	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	68.07 mm	15.75 mm	EC
Standard Circular Connector 7.93mm Red PE EC-5 Caplugs 1: $0.182 5,140In Stock	Mfr. Part # EC-5 Mouser Part # 376-EC-5	Caplugs	Standard Circular Connector 7.93mm Red PE Learn More about Caplugs ec caps	Datasheet	5,140In Stock	$0.182 $0.143 $0.118 $0.107 View $0.091 $0.077 $0.07 $0.055	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	13.97 mm	14.22 mm	EC
Standard Circular Connector 9.52mm Red PE EC-6 Caplugs 1: $0.182 12,017In Stock	Mfr. Part # EC-6 Mouser Part # 376-EC-6	Caplugs	Standard Circular Connector 9.52mm Red PE Learn More about Caplugs ec caps	Datasheet	12,017In Stock	$0.182 $0.14 $0.117 $0.065 $0.062	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	15.75 mm	12.7 mm	EC
Standard Circular Connector 12.7mm Red PE EC-8 Caplugs 1: $0.195 17,613In Stock	Mfr. Part # EC-8 Mouser Part # 376-EC-8	Caplugs	Standard Circular Connector 12.7mm Red PE Learn More about Caplugs ec caps	Datasheet	17,613In Stock	$0.195 $0.15 $0.124 $0.069 $0.066	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	18.8 mm	12.7 mm	EC
Standard Circular Connector 9/16in Red PE EC-9 Caplugs 1: $0.208 23,044In Stock	Mfr. Part # EC-9 Mouser Part # 376-EC-9	Caplugs	Standard Circular Connector 9/16in Red PE Learn More about Caplugs ec caps	Datasheet	23,044In Stock	$0.208 $0.161 $0.134 $0.12 View $0.103 $0.087 $0.078 $0.075 $0.065	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	19.81 mm	11.18 mm	EC