Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18E1621-1 found under Interconnecting Cab by Fleet Readiness Center East Div Department Of Navy. The National Stock Number assigned to this part is 5975014653513, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 18E1621-1.