Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3623 found under Lead Indicator Electrical by Fl Aerospace Corp Janitrol Aero. The National Stock Number assigned to this part is 6610000075246, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3623.