Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 103781 found under Collar Assembly by Scott Huber Essick A Co Of Figgi. The National Stock Number assigned to this part is 2520001280800, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 103781.