Home Avionics 40623G-30 SPRING ASSY. 40897G-01 40623G-30 SPRING ASSY. 40897G-01 40623G30 SKU: 40623G-30 Categories: Avionics, Avionics & Instruments, David Clark, Headset Accesories, Pilot Supplies Tags: 40897G-01, Spring Assy