Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R63870C15E7 found under Stud Assembly Turnlock Fastener by Unifab Industries Inc. The National Stock Number assigned to this part is 5325009385913, 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 R63870C15E7.