Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WLA3416S-GRB found under Nut Self Locking Hexagon by Amfs American Fleet Services. The National Stock Number assigned to this part is 5310008307719, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WLA3416S-GRB.