Product Description
SO-239 - UHF-Female 4-Hole Flange Panel Mount Coaxial Connector
The American Radio Supply ARS-G511 is a UHF-Female (SO-239) 4-hole panel-mount coaxial connector designed for secure installation on radio equipment, chassis panels, enclosures, antenna projects, and RF test equipment. Its robust panel-mount design provides a reliable connection for applications using UHF (PL-259) male connectors.
The ARS-G511 features a silver-plated zinc alloy body, PTFE dielectric, and a gold-plated beryllium copper center contact. The connector incorporates a large rear solder pot to accommodate larger center conductors, including those used with larger coaxial cables such as LMR-400, RG-213, and RG-8.
The UHF-Female interface incorporates 16 machined contact points designed to provide positive mechanical engagement with mating PL-259 connectors.
Key Features
- UHF-Female (SO-239) connector
- 4-hole square panel-mount flange
- Silver-plated zinc alloy body
- PTFE (Teflon) dielectric
- Gold-plated beryllium copper center contact
- Large rear solder pot for larger coaxial center conductors
- 16 machined contact points on UHF female interface
- Designed for 50-ohm coaxial systems
- Suitable for applications using LMR-400, RG-213, RG-8, and similar coaxial cables
- Rear 5/8"-24 UNEF threaded section
- Similar to Amphenol #83-R1
Technical Specifications
| Connector Type | UHF Female (SO-239) |
| Mounting Style | 4-Hole Flange Panel Mount |
| Impedance | ~50 Ω |
| Frequency Range | DC to 300 MHz |
| Termination | Large Solder Pot |
| Body Material | Zinc Alloy |
| Body Finish | Silver Plated |
| Center Contact Material | Beryllium Copper |
| Center Contact Finish | Gold Plated |
| Insulator | PTFE (Teflon) |
| UHF Interface | 16 Machined Contact Points |
| Mounting Holes | 4 × Ø3.5 mm |
| Flange Size | 25.3 × 25.3 mm |
| Mounting Hole Spacing | 18 × 18 mm |
| Rear Thread | 5/8"-24 UNEF |
| Overall Length | 27.1 mm (1.07 in.) Ref. |
| Panel Cutout | Approximately 5/8" (0.625") |
| RoHS | Compliant |
Typical Applications
- Amateur / Ham Radio Equipment
- CB Radio Equipment
- HF and lower-VHF radio equipment
- Antenna tuners and amplifiers
- SWR meters and test equipment
- Custom antenna construction
- Ground-plane and dipole antenna projects
- RF patch panels
- Custom metal chassis and equipment enclosures
- Marine and VHF communication equipment
- Coaxial cable feed-through and panel connections
Installation
The ARS-G511 is designed to mount through a panel using its four mounting holes. The square flange provides a stable mechanical mounting surface, while the rear solder pot allows the coaxial center conductor and shield connection to be soldered directly to the connector.
Listing is for one (1) ARS-G511 connector. Product images showing multiple connectors are for illustration and comparison purposes only.
Note: PTFE is commonly known by the trademarked name Teflon™. Teflon is a registered trademark of The Chemours Company and its affiliates.
Other Details
See warranty details aboveProduct Videos
Custom Field
Product Reviews
14 Reviews Hide Reviews Show Reviews
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Thoroughly Tested
They appear to work. Thoroughly tested for VSWR and signal power loss.
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Quality Lives On
Very good quality connector at a reasonable price. You can't ask for more than that.
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SO 239
Well packaged.
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Chassis mount SO-239
Good quality, good packaging, good delivery. Will order again when I need more.
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Good quality products.
Dealing with American Radio Supply is a pleasure. They sell quality products at a good price and fast delivery.I have purchased from them several times and will continue. Thanks for the good service.
