Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 101820-2 found under Shaft Straight by Kalyn Siebert I Inc. The National Stock Number assigned to this part is 3040015244942, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 101820-2.