Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6876TIPPENSEE found under Training Aid Planetarium by Sargent Welch Scientific Co. The National Stock Number assigned to this part is 6910010557401, 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 6876TIPPENSEE.