Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS17128-5 found under Lens Light by Huntington Ingalls Incorporated. The National Stock Number assigned to this part is 6210003139218, and the Federal Supply Class is 6210 Indoor And Outdoor Electrical Lighting Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MS17128-5.