Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5793125SH1-9 found under Indicator Electrical Tachometer by Sieh Inc. The National Stock Number assigned to this part is 6680007315967, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5793125SH1-9.