Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 37590-224 found under Foot Electrical Equ by Marconi Electronics Inc. The National Stock Number assigned to this part is 5975013573000, 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 37590-224.