Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WFI-M16 M4-SL4-G found under Container Weapons by Wel Fab Inc. The National Stock Number assigned to this part is 8145015428359, and the Federal Supply Class is 8145 Specialized Shipping And Storage Containers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WFI-M16 M4-SL4-G.