Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R861-1709-4 found under Latch Guidesnapslide Fastener by Electric Boat Corporation. The National Stock Number assigned to this part is 5325016770177, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R861-1709-4.