Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-8 IPS found under Cap Rinse Spray Pip by Insinger Machine Company The. The National Stock Number assigned to this part is 7320010546717, 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 3-8 IPS.