Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A10058-1 found under Knob by Tti Testron Inc. The National Stock Number assigned to this part is 5355013043775, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A10058-1.