Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2520001987550 found under Cover Plate Gun Control by E C A Etablissement Central. The National Stock Number assigned to this part is 2520001987550, 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 2520001987550.