Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HKTS 160 SUB 230 found under Sound Effect by Harman International Industries Inc. The National Stock Number assigned to this part is 7720016806854, 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 HKTS 160 SUB 230.