Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK4619C-31D found under Flange Companion Vehicular Unive by Liberty Ventures Inti Llc. The National Stock Number assigned to this part is 2520012845956, 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 SK4619C-31D.