Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WT-1.4MMEXTMAN found under Manual Technical by G E Inspection Technologies Lp. The National Stock Number assigned to this part is 7610015949030, 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 WT-1.4MMEXTMAN.