10-Pack Silicone BNC Dust Cap Covers for Female Jack 9.5–11mm

Keep Your BNC Connectors Clean & Protected

These silicone BNC anti-dust stopper caps are the simple, reliable solution for keeping female BNC jacks free from dust, debris, and moisture when not in use. Designed to fit snugly over female BNC connectors with an inside installation diameter of 9.5 mm to 11 mm, these flexible caps are a must-have for AV setups, CCTV systems, broadcast equipment, and any installation where connector hygiene matters.

Product Highlights

• Material: Premium flexible silicone — durable, temperature-resistant, and easy to install or remove
• Color: Black
• Size: 1.7 × 1.5 cm (approx. 0.66 × 0.59 inch)
• Fit: Inside installation diameter 9.5 mm – 11 mm, ideal for standard female BNC jacks
• Pack Quantity: 10 pieces per package — stock up and protect multiple connectors at once
• Condition: 100% brand new and high quality

Why Use BNC Dust Caps?

Exposed connectors collect dust, grime, and oxidation over time, which can degrade signal quality and shorten the lifespan of your equipment. These silicone caps form a snug, protective seal over unused female BNC ports, maintaining clean contacts and extending the service life of your connectors and cables.

Ideal For

• CCTV / security camera systems
• AV and broadcast studio equipment
• RF and coaxial cable management
• Test and measurement instruments
• Networking and signal distribution panels

Package Includes

• 10 × Silicone BNC Female Jack Dust Cap Covers (Black)

Made in Mainland China.

Please note: Photos may not reflect exact size — refer to the dimensions above. Allow ±5–10 mm variance due to manual measurement. Monitor color calibration may affect perceived color.

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For general guidance on electronics safety and connector standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What size BNC female jacks do these silicone dust caps fit?

A: These BNC anti-dust stopper caps are designed for female BNC jacks with an inside installation diameter of 9.5 mm to 11 mm, which covers the majority of standard BNC female connectors used in CCTV, AV, and RF applications.

Q: Are these BNC dust caps reusable?

A: Yes! Made from flexible, durable silicone, these caps can be installed and removed repeatedly without losing their shape or protective seal. Simply pull them off when you need access to the connector and replace them when not in use.

Q: How many caps come in one package?

A: Each package includes 10 silicone BNC dust cap covers, giving you enough to protect multiple connectors across your setup or keep spares on hand for future use.

Q: Will these work with male BNC connectors?

A: These caps are specifically designed for female BNC jacks (inside install fit). They are not intended for use on male BNC plugs. Please verify connector gender before purchasing.