Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 400-106B found under Cover Cabinet Electrical Equipme by South Tek Systems Llc. The National Stock Number assigned to this part is 5975015634974, 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 400-106B.