Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E4619 found under Tool Kit General Mechanics by Hi Shear Corporation. The National Stock Number assigned to this part is 5180005875895, and the Federal Supply Class is 5180 Sets Kits And Outfits Of Hand Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E4619.