Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K11-59992A found under Timer Counter Module by Hewlett Packard Co. The National Stock Number assigned to this part is 5915005789685, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K11-59992A.