Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30115-1B27 found under Setscrew by Rtc Parts Inc. The National Stock Number assigned to this part is 5305000031903, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 30115-1B27.