Product Description
Type N-Male Coaxial Dust Cover Protective Cap
Protect your valuable radio equipment with the G510 Weather Cap, a durable, nickel-plated brass dust cap designed to protect exposed Type N female jack antenna mounts from moisture, dirt, dust, and grime. The cap screws onto a standard Type RFN female jack antenna base, helping keep the connector clean and protected when an antenna is temporarily removed.
Ideal for mobile radio installations, amateur radio stations, emergency communications, and portable field equipment, the G510 is especially useful when preparing radio equipment for transport, storage, or deployment. It is also a practical accessory for vehicle-mounted antennas when the antenna is removed before a car wash.
A built-in red silicone gasket provides a protective sealing interface inside the cap. The rugged brass body with nickel plating offers durability and corrosion resistance for dependable service in demanding environments.
Key Features
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Protective Design: Helps keep moisture, dirt, dust, and grime away from exposed Type N female antenna mounts.
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Durable Construction: Brass body with nickel-plated finish.
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Red Silicone Gasket: Internal gasket helps provide a protective seal.
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Standard Type N Threading: 5/8"-24 UNEF thread for compatible Type N (RFN) female antenna bases.
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Versatile Applications: Suitable for mobile radio installations, amateur radio equipment, emergency communications, and portable radio go-kits or go-boxes.
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Convenient Protection: Ideal when temporarily removing an antenna for vehicle washing, transport, or storage.
Technical Specifications
| Product Type | Dust Cap |
| Part Number | ARS-G510-N (M) |
| Compatible Connector | Type N (RFN) |
| Thread | 5/8"-24 UNEF |
| Body Material | Brass |
| Body Plating | Nickel |
| Gasket Material | Silicone |
| Gasket Color | Red |
| Length | 0.44 in (11.24 mm) |
| Width | 0.71 in (18.00 mm) |
| Height / Outside Diameter | 0.71 in (18.00 mm) |
| Inside Diameter | 0.63 in (16.00 mm) |
| Weight | 0.3 oz (8 g) |
| Operating Temperature Range | -65°C to +165°C |
Recommended Applications
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Mobile and vehicle-mounted Type N (RFN) antenna installations
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Amateur radio stations and antenna systems
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Emergency communications equipment
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Portable radio go-kits and go-boxes
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Temporary antenna removal and equipment storage
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Protection of exposed Type N female antenna bases
Keep your Type N female jack antenna connection protected when your antenna is not installed. The American Radio Supply G510 Weather Cap is a simple, practical accessory for helping maintain clean, protected, and ready-to-use radio equipment.
Compatibility note: Verify the connector thread and mounting configuration before ordering. This cap is intended for compatible Type N (RFN) female jack antenna bases.
Other Details
See warranty details aboveProduct Videos
Custom Field
Product Reviews
6 Reviews Hide Reviews Show Reviews
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Very Pleased
Quick ship... individually packaged in clear baggies, quality construction, no burrs, clean threads.
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Great Product
I have a vehicle with a rooftop antenna which will not fit in the car wash with the antenna in place. I unscrew the antenna and screw on this cap before going to the car wash to keep water out of the connector. This is the perfect solution, I had used a push-on plastic cap but that would get blown off by the dryer (sometimes). This cap, being threaded, stays in place and keeps the connector dry. When I get home I put the antenna back on and I'm ready to go again!
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Worked Great!
Need some available with chains to secure to equipment so they do not get lost. (STAFF NOTE - THANK YOU - PLEASE SEARCH SKU 37827 FOR CAPS WITH CHAINS).
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Fit Type N & UHF (SO-239)
Fits Type N and UHF (SO-239)
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Great Product!
Quality product!
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Little Item - BIG Solution
Used to cover an MFJ thru window connectors with holes, this little item totally protects threads from elements outside and dust inside.
