Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1320-201-0005 found under Projectile 155 Millimeter by Sec Commission Interarmees. The National Stock Number assigned to this part is 1320000284883, 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 1320-201-0005.