The A3L4AA-6LUG is an A3-series panel indicator light — a green LED pilot light rated for 24–240 VAC/VDC supply, built into a standard 22 mm mounting hole. It gives a visual status signal on a control panel or machine door.
Lifecycle reality — eol_hot
For a BOM that needs this exact indicator, the only sourcing path is through independent distribution against an RFQ.