Circular Connector Dust Caps

Circular connector dust caps are to provide environmental protection for circular connectors in both threaded and bayonet versions. Originally designed to meet military standards, they are used with rugged connectors in harsh environments.


Adding a circular connecter dust cap you your connectors can help you achieve an IP rating standard that might be crucial to achieve a safety standard for your circular connector. Dustcaps will help prevent the ingress of water, dust, sand and dirt get into your connector.



What are circular connector dust caps used for?


Circular connector dust caps protect and plug connectors and other wire harness components from physical damage. The cap works as a seal against particles, moisture and other possible contaminants.



Types of circular connector dust caps:



  • Fibre dust caps: Fibre dust caps include a fibre cord. The fibre cord can be used to secure the cap and connector to ensure safety.

  • Connector dust caps with chains: Dustcaps with chains can be used in harsher environments, thanks to the plating of the cord.

  • Port dust caps: Threaded onto connector adapters to provide protection from outside elements such as harsh weather conditions.

  • TPE: TPE (thermoplastic elastomer) material that is both durable and solid and can be used in both harsh and non-harsh environments for versatility.



IP Ratings:


An IP (ingress protection) rating is the rating backed by standard IEC 60529 to tell you how waterproof/dust-proof a component is. IP ratings are made up from two letters (IP) and two numbers. The numbers refer to different levels of protection, as seen below.


The first number relates to how protected against solids the item is while the second number is how protected it'll be against liquids.



  • IP66 - Fully dust tight with the ability to handle powerful water jets up close. (Not submersible).

  • IP67 - Fully dust tight again, however, has the ability to withstand immersion up to 1m.

  • IP68 - Dust tight and can be submerged up to 1m+.

  • IP69 & IP69K - Completly dust tight and can be submerged for long amounts of time in 1m+ depths. IP69K can handle hot pressures and steams.


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Description Price Gender Shell Size Military Standard Series IP Rating Panel Mount Fitting Material Cord Included Finish Colour Series Number For Use With Accessory Type Interface Type
RS Stock No. 706-0157
Mfr. Part No.1738611-1
SGD19.82
Each
units
- - - - - - - - - - - - - -
RS Stock No. 511-9979
Mfr. Part No.1-1478230-0
SGD9.16
Each
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Female - MX-913/U - - - Brass Yes Silver - - - - -
RS Stock No. 360-2621
Mfr. Part No.208652-1
SGD17.88
Each
units
- - - - - - - - - - - - - -
RS Stock No. 782-5900
Mfr. Part No.207445-3
SGD5.93
Each
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Female 17 - - - - Thermoplastic - - Black - - - -
RS Stock No. 163-9373
Mfr. Part No.1-1478230-0
SGD8.072
Each (In a Box of 25)
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Female - MX-913/U - - - Brass Yes Silver - - - - -
RS Stock No. 170-9419
Mfr. Part No.208652-1
SGD13.697
Each (In a Bag of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 360-2609
Mfr. Part No.208800-1
SGD15.49
Each
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- 11 - CPC - - - - - - - - - -
RS Stock No. 164-0759
Mfr. Part No.206903-2
SGD4.975
Each (In a Bag of 100)
units
- 11 - CPC - - Thermoplastic Yes - Black - - - -
RS Stock No. 718-2792
Mfr. Part No.206903-2
SGD6.24
Each
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- 11 - CPC - - Thermoplastic Yes - Black - - - -
RS Stock No. 745-5750
Mfr. Part No.827155-1
SGD35.75
Each
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Female 28 - - - - Nylon Yes - - - - - -
RS Stock No. 909-7892
Mfr. Part No.185636-1
SGD7.73
Each
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Male 2.5mm - - - - PBT - - Black - - - -
RS Stock No. 782-5907
Mfr. Part No.207446-3
SGD25.87
Each
units
Female 23 - - - - - - - - - - - -
RS Stock No. 164-8171
Mfr. Part No.827155-1
SGD27.489
Each (In a Box of 100)
units
Female 28 - - - - Nylon Yes - - - - - -
RS Stock No. 164-7120
Mfr. Part No.185636-1
SGD3.11
Each (In a Box of 350)
units
Male 2.5mm - - - - PBT - - Black - - - -
RS Stock No. 360-2693
Mfr. Part No.54012-1
SGD31.29
Each
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- 23 - CPC - - Nylon, Polyolefin - - Black - - - -
RS Stock No. 164-1598
Mfr. Part No.211904-1
SGD70.11
Each (In a Box of 10)
units
- 28 - CPC - - - - - Silver - - - -
RS Stock No. 360-2211
Mfr. Part No.211904-1
SGD75.73
Each
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- 28 - CPC - - - - - Silver - - - -
RS Stock No. 782-5897
Mfr. Part No.211870-2
SGD11.88
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Female 13 - - - - - - - - - - - -
RS Stock No. 164-0147
Mfr. Part No.965100-1
SGD2.47
Each (In a Bag of 350)
units
- - - - IP65 - Polymer - - - - - - -
RS Stock No. 360-2615
Mfr. Part No.213485-1
SGD19.10
Each
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- 13 - CPC - - - - - Black - - - -