Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S-3355 found under Press Arbor Hand Operated by Switlik Parachute Company Inc. The National Stock Number assigned to this part is 3444015992356, and the Federal Supply Class is 3444 Manual Presses. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S-3355.