Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SAT-3X40 found under Tip Electric Soldering Gun by O K Intl Inc. The National Stock Number assigned to this part is 3439013357836, and the Federal Supply Class is 3439 Miscellaneous Welding Soldering And Brazing Supplies And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SAT-3X40.