This Vishay Dale HL05006Z2K500JJ is a wirewound chassis mount resistor rated for 50W with a resistance of 2.5kΩ and a tolerance of ±5%. It features a silicone coating and solder lug terminals.
The Ohmite L50J4K0 is a 50W wirewound resistor with 4kOhm resistance and 5% tolerance. It features solder lug termination and is designed for chassis mounting.