Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A27-1317 found under Cross Shaft by Dresser Industries Inc. The National Stock Number assigned to this part is 2990003546277, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A27-1317.