Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3M1277E6D15A found under Screw Machine by Valley Todeco Inc. The National Stock Number assigned to this part is 5305016003730, 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 3M1277E6D15A.