Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3910E22U91 found under Wire Electrical by L 3 Communications Corporation. The National Stock Number assigned to this part is 6145008099207, and the Federal Supply Class is 6145 Wire And Cable Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3910E22U91.