Home Avionics 40623G-51 SPRING ASSY 40878G-03 40623G-51 SPRING ASSY 40878G-03 40623G51 SKU: 40623G-51 Categories: Avionics, Avionics & Instruments, David Clark, Headset Accesories, Pilot Supplies Tags: 40878G-03, Spring Assy