Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D777-51-093 ITEM 3 found under Knob by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 5355013686808, 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 D777-51-093 ITEM 3.