Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17-49930A1 found under Pin Toggle Headed by E P Barrus Limited. The National Stock Number assigned to this part is 5315009300196, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 17-49930A1.