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 101.6mm Red PE EC-64 Caplugs 1: $1.27 250In Stock	Mfr. Part No. EC-64 Mouser Part No 376-EC-64	Caplugs	Standard Circular Connector 101.6mm Red PE Learn More about Caplugs ec caps	Datasheet	250In Stock	$1.27 $1.07 $1.03 $0.791 View $0.79 $0.659 $0.649	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	105.66 mm	25.4 mm	EC
Standard Circular Connector 76.2mm Red PE EC-48 Caplugs 1: $1.15 226In Stock 500Expected 28/09/2026	Mfr. Part No. EC-48 Mouser Part No 376-EC-48	Caplugs	Standard Circular Connector 76.2mm Red PE Learn More about Caplugs ec caps	Datasheet	226In Stock 500Expected 28/09/2026	$1.15 $0.967 $0.928 $0.869 View $0.79 $0.71 $0.596 $0.593	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	82.04 mm	15.24 mm	EC
Standard Circular Connector 15.88mm Red PE EC-10 Caplugs 1: $0.16 113,100In Stock	Mfr. Part No. EC-10 Mouser Part No 376-EC-10	Caplugs	Standard Circular Connector 15.88mm Red PE Learn More about Caplugs ec caps	Datasheet	113,100In Stock	$0.16 $0.12 $0.114 $0.056 $0.053	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	21.34 mm	12.7 mm	EC
Standard Circular Connector 28.58mm Red PE EC-18 Caplugs 1: $0.22 24,291In Stock	Mfr. Part No. EC-18 Mouser Part No 376-EC-18	Caplugs	Standard Circular Connector 28.58mm Red PE Learn More about Caplugs ec caps	Datasheet	24,291In Stock	$0.22 $0.188 $0.166 $0.144 View $0.128 $0.106 $0.099 $0.096 $0.092	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	33.78 mm	14.22 mm	EC
Standard Circular Connector 38.1mm Red PE EC-24 Caplugs 1: $0.36 20,428In Stock	Mfr. Part No. EC-24 Mouser Part No 376-EC-24	Caplugs	Standard Circular Connector 38.1mm Red PE Learn More about Caplugs ec caps	Datasheet	20,428In Stock	$0.36 $0.307 $0.271 $0.235 View $0.208 $0.173 $0.161 $0.157 $0.149	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: $0.81 4,206In Stock 5,000Expected 25/09/2026	Mfr. Part No. EC-26 Mouser Part No 376-EC-26	Caplugs	Standard Circular Connector 41.28mm Red PE Learn More about Caplugs ec caps	Datasheet	4,206In Stock 5,000Expected 25/09/2026	$0.81 $0.699 $0.64 $0.577 View $0.527 $0.435 $0.408 $0.406 $0.382	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	48.51 mm	14.22 mm	EC
Standard Circular Connector 19.05mm Red PE EC-12 Caplugs 1: $0.17 17,066In Stock 45,000Expected 28/09/2026	Mfr. Part No. EC-12 Mouser Part No 376-EC-12	Caplugs	Standard Circular Connector 19.05mm Red PE Learn More about Caplugs ec caps	Datasheet	17,066In Stock 45,000Expected 28/09/2026	$0.17 $0.129 $0.114 $0.06 $0.057	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	24.64 mm	12.7 mm	EC
Standard Circular Connector 22.23mm Red PE EC-14 Caplugs 1: $0.23 20,683In Stock	Mfr. Part No. EC-14 Mouser Part No 376-EC-14	Caplugs	Standard Circular Connector 22.23mm Red PE Learn More about Caplugs ec caps	Datasheet	20,683In Stock	$0.23 $0.182 $0.179 $0.164	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: $0.25 3,058In Stock 9,000Expected 28/09/2026	Mfr. Part No. EC-15 Mouser Part No 376-EC-15	Caplugs	Standard Circular Connector 23.62mm Red PE Learn More about Caplugs ec caps	Datasheet	3,058In Stock 9,000Expected 28/09/2026	$0.25 $0.192 $0.159 $0.142 View $0.122 $0.103 $0.093 $0.077	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: $0.21 17,130In Stock	Mfr. Part No. EC-16 Mouser Part No 376-EC-16	Caplugs	Standard Circular Connector 25.4mm Red PE Learn More about Caplugs ec caps	Datasheet	17,130In Stock	$0.21 $0.174 $0.154 $0.134 View $0.118 $0.098 $0.091 $0.089 $0.086	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	30.99 mm	12.7 mm	EC
Standard Circular Connector 30.16mm Red PE EC-19 Caplugs 1: $0.23 7,567In Stock 15,000Expected 28/09/2026	Mfr. Part No. EC-19 Mouser Part No 376-EC-19	Caplugs	Standard Circular Connector 30.16mm Red PE Learn More about Caplugs ec caps	Datasheet	7,567In Stock 15,000Expected 28/09/2026	$0.23 $0.197 $0.174 $0.151 View $0.134 $0.124 $0.103 $0.10 $0.092	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: $0.25 11,034In Stock 22,500Expected 23/10/2026	Mfr. Part No. EC-20 Mouser Part No 376-EC-20	Caplugs	Standard Circular Connector 31.75mm Red PE Learn More about Caplugs ec caps	Datasheet	11,034In Stock 22,500Expected 23/10/2026	$0.25 $0.213 $0.188 $0.163 View $0.145 $0.12 $0.112 $0.109 $0.103	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: $0.27 7,421In Stock	Mfr. Part No. EC-22 Mouser Part No 376-EC-22	Caplugs	Standard Circular Connector 34.93mm Red PE Learn More about Caplugs ec caps	Datasheet	7,421In Stock	$0.27 $0.23 $0.203 $0.176 View $0.156 $0.13 $0.121 $0.117 $0.112	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	40.39 mm	14.22 mm	EC
Standard Circular Connector 36.51mm Red PE EC-23 Caplugs 1: $0.35 1,539In Stock	Mfr. Part No. EC-23 Mouser Part No 376-EC-23	Caplugs	Standard Circular Connector 36.51mm Red PE Learn More about Caplugs ec caps	Datasheet	1,539In Stock	$0.35 $0.299 $0.265 $0.23 View $0.203 $0.168 $0.158 $0.14	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: $0.38 3,288In Stock	Mfr. Part No. EC-25 Mouser Part No 376-EC-25	Caplugs	Standard Circular Connector 39.69mm Red PE Learn More about Caplugs ec caps	Datasheet	3,288In Stock	$0.38 $0.324 $0.286 $0.248 View $0.22 $0.183 $0.17 $0.151	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: $0.38 5,706In Stock	Mfr. Part No. EC-28 Mouser Part No 376-EC-28	Caplugs	Standard Circular Connector 44.45mm Red PE Learn More about Caplugs ec caps	Datasheet	5,706In Stock	$0.38 $0.323 $0.286 $0.213 View $0.174 $0.168 $0.166 $0.145	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: $0.56 49In Stock 2,000Expected 23/10/2026	Mfr. Part No. EC-32 Mouser Part No 376-EC-32	Caplugs	Standard Circular Connector 50.8mm Red PE Learn More about Caplugs ec caps	Datasheet	49In Stock 2,000Expected 23/10/2026	$0.56 $0.484 $0.443 $0.40 View $0.365 $0.307 $0.275 $0.267	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: $0.80 456In Stock	Mfr. Part No. EC-36 Mouser Part No 376-EC-36	Caplugs	Standard Circular Connector 57.15mm Red PE Learn More about Caplugs ec caps	Datasheet	456In Stock	$0.80 $0.69 $0.631 $0.569 View $0.52 $0.373 $0.365	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	61.72 mm	15.24 mm	EC
Standard Circular Connector 6.35mm Red PE EC-4 Caplugs 1: $0.14 31,077In Stock 25,000Expected 14/10/2026	Mfr. Part No. EC-4 Mouser Part No 376-EC-4	Caplugs	Standard Circular Connector 6.35mm Red PE Learn More about Caplugs ec caps	Datasheet	31,077In Stock 25,000Expected 14/10/2026	$0.14 $0.105 $0.087 $0.078 View $0.067 $0.063 $0.049 $0.046	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	12.19 mm	12.7 mm	EC
Standard Circular Connector 7.93mm Red PE EC-5 Caplugs 1: $0.14 1,990In Stock 5,000Expected 28/09/2026	Mfr. Part No. EC-5 Mouser Part No 376-EC-5	Caplugs	Standard Circular Connector 7.93mm Red PE Learn More about Caplugs ec caps	Datasheet	1,990In Stock 5,000Expected 28/09/2026	$0.14 $0.11 $0.091 $0.082 View $0.07 $0.059 $0.054 $0.042	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: $0.14 22,857In Stock	Mfr. Part No. EC-6 Mouser Part No 376-EC-6	Caplugs	Standard Circular Connector 9.52mm Red PE Learn More about Caplugs ec caps	Datasheet	22,857In Stock	$0.14 $0.108 $0.09 $0.08 View $0.069 $0.058 $0.053 $0.043	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: $0.15 24,125In Stock	Mfr. Part No. EC-8 Mouser Part No 376-EC-8	Caplugs	Standard Circular Connector 12.7mm Red PE Learn More about Caplugs ec caps	Datasheet	24,125In Stock	$0.15 $0.115 $0.095 $0.053 $0.051	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: $0.16 23,724In Stock	Mfr. Part No. EC-9 Mouser Part No 376-EC-9	Caplugs	Standard Circular Connector 9/16in Red PE Learn More about Caplugs ec caps	Datasheet	23,724In Stock	$0.16 $0.124 $0.103 $0.092 View $0.079 $0.067 $0.06 $0.058 $0.05	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	19.81 mm	11.18 mm	EC
Standard Circular Connector 7.99mm Red PE EC-M8 Caplugs 1: $0.17 3,263In Stock	Mfr. Part No. EC-M8 Mouser Part No 376-EC-M8	Caplugs	Standard Circular Connector 7.99mm Red PE Learn More about Caplugs ec caps	Datasheet	3,263In Stock	$0.17 $0.13 $0.108 $0.096 View $0.083 $0.07 $0.063 $0.049	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	13.97 mm	14.22 mm	EC
Standard Circular Connector 127mm Red PE EC-80 Caplugs 1: $1.77 68In Stock	Mfr. Part No. EC-80 Mouser Part No 376-EC-80	Caplugs	Standard Circular Connector 127mm Red PE Learn More about Caplugs ec caps	Datasheet	68In Stock	$1.77 $1.55 $1.48 $0.991 View $0.99 $0.956	Min.: 1 Mult.: 1	Accessories	Polyethylene (PE)	Cap (Threaded Connector Cap)	130.05 mm	31.75 mm	EC