Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2-1-333X found under Yoke Spicer by Bevier Allan U Inc. The National Stock Number assigned to this part is 4310014585788, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2-1-333X.