Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3B1927 found under Tube Assy Front by Oro Manufacturing Company. The National Stock Number assigned to this part is 1680003154988, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A3B1927.