Product Description
UHF (SO-239) - 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 UHF female jack (SO-239) antenna mounts from moisture, dirt, dust, and grime. The cap has UHF male (PL-259) threads that screws onto a standard UHF female jack (SO-239) 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 UHF 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 UHF Threading: 5/8"-24 UNEF thread for compatible UHF (SO-239) 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 | UHF Female Jack (SO-239) |
| 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 UHF (SO-239) 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 UHF female jack (SO-239) antenna bases
Keep your UHF female jack (SO-239) 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 UHF female jack (SO-239) antenna bases.
Other Details
See warranty details aboveProduct Videos
Custom Field
Product Reviews
67 Reviews Hide Reviews Show Reviews
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Excellent
An excellent item. Provides some safety to the SO-239s that it is designed to help. Thanks for a good deal!
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They Work
They Work
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Works Great!
I keep one of these in my truck as I have to take the antenna off to get through the car wash. Works great and keeps the water out of the connector.
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Works Very Well
Works very well with my MFJ pass thru antenna connector panel.
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Quality Product
Nice way to close off SO-239 ports to keep out the weather.
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Great Product
I will keep on buying. Thanks, KC2FRE - 73
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Exactly what i was looking for...
Exactly what i was looking for. Heavy duty and made to last.
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Perfect. Exactly what I needed!
Perfect. Exactly what I needed!
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Exactly What I Was Looking For
I checked numerous sites and companies. My first time with American Radio Supply. Here is what I liked. Very user friendly website, found it easy to find what I wanted. Best price for product and for shipping. After I ordered I received emails alerting me to every step of the process. Package arrived in great shape, very securely boxed and protected. Product was exactly what i was looking for.
