Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5400029-501 found under Fastener Assembly C by Gichner Systems Group Inc. The National Stock Number assigned to this part is 2540006896303, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5400029-501.