Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HTX8300B58F found under Valve Linear Direct by Automatic Switch Company. The National Stock Number assigned to this part is 4810005696510, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HTX8300B58F.