The CHICAGO MINIATURE part 5139-038 is a PMI (Panel Mount Indicator) RND (Round) holder designed to accommodate T-1 3/4 tab-style LEDs with a maximum voltage rating of 30V. The holder features a robust construction with a weight of TBD, ensuring secure installation and protection for your LED. With a diameter of 0.484 inches, this holder is compatible with a wide range of T-1 3/4 tab-style LEDs, making it a versatile choice for various applications. Whether you need a reliable LED holder for industrial machinery, automotive equipment, or any other project, the CHICAGO MINIATURE part 5139-038 is a dependable option that guarantees optimal performance and longevity.