500kΩ Resistance Value, Type J Hot-Molded Carbon Matrix, 2.25 Watt Power Rating at +70°C, Single-Section Potentiometer, Linear Taper Profile, Plain Cylindrical Shaft Layout, -55°C to +120°C Extended Industrial Operational Window, Panel Bushing Mount Footprint | Commercial-grade high-resistance variable position sensor element manufactured by Allen-Bradley featuring vacuum-baked structural copper leads, built to ensure linear signal matching transitions and completely eliminate structural phase distortions within broadband industrial telemetry networks and legacy power supply tuning arrays | Industry Exact Equivalents: Allen-Bradley A311-133, A-B JA1N056S504UA, Rockwell Automation A311-133 | Industry Functional Cross-References: Ohmite WW5041, Clarostat RV4NAYSD504A, Precision Electronic Components RV4NAYSD504A | Military Specification National Stock Number (NSN): 5905-00-133-0311