Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 07-840-3916 found under Detomidine Hydrochl by J A Webster Inc. The National Stock Number assigned to this part is 6509015304607, 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 07-840-3916.