The Amphenol 83‑1SP is a high-quality UHF (PL‑259) straight plug designed for reliable performance in RF communication systems. Built for durability and ease of assembly, this solder-type connector is ideal for low-frequency applications up to 300 MHz, including amateur radio, CB, and general RF installations. 

Key Features

• Standard UHF (PL‑259) male connector

• Designed for 50 ohm RF systems 

• Solder-type termination for secure electrical and mechanical connection 

• Rugged threaded coupling for dependable mating

• Suitable for low-frequency applications up to 300 MHz

• Compatible with RG‑8 class cables and equivalents

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Materials of Construction

• Body & Coupling Nut: Brass, nickel plated

• Center Contact: Brass, silver plated

• Insulator: Phenolic, Pantone 110C

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Cable Compatibility

• Designed for RG‑8 size cable groups (including RG‑213 and similar) [newark.com]

• LMR‑400 is dimensionally compatible with RG‑8 class cables (drop‑in replacement) 

Compatibility Note: The 83‑1SP‑1050 variant explicitly lists LMR‑400 support, ensuring proper fit for modern low‑loss coax installations