Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8H199 found under Control Slides Chlamydia Trachomatis by Siemens Healthcare Diagnostics Inc. The National Stock Number assigned to this part is 6550013460165, 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 8H199.