Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 302-5486639 ITEM 10 found under Switch Assembly by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 5930013152990, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 302-5486639 ITEM 10.