Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y00023561 found under Couplerdrawbarball Socket by Soframe. The National Stock Number assigned to this part is 2540016950171, and the Federal Supply Class is 2540 Vehicular Furniture And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Y00023561.