The 361-8864-09-522 is a SubMin relampable neon indicator from Dialight's Series 361, featuring a T-2 C7A/C9A midget flange base lamp type with two solder terminals. The indicator is mounted via lockwasher and nut through a 15/32" mounting hole and accommodates panel thicknesses up to 27/64". It incorporates a built-in 27K resistor and is finished with black anodized metal coating for durability and corrosion resistance. The product is compliant with MIL-L-3661B and MIL-L-6723 standards and is QPL listed, making it suitable for military and aerospace applications requiring reliable status indication and signaling in control panels and instrumentation systems.