Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HSP6619 ITEM 5 found under Screw Cap Hexagon Head by John Crane Inc. The National Stock Number assigned to this part is 5305013822591, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HSP6619 ITEM 5.