Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STD0087D22-4U found under Wire Electrical by Boeing Aircraft. The National Stock Number assigned to this part is 6145012068659, 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 STD0087D22-4U.