Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 645A551H30 found under Strap Assembly Hand Carrying by F M Stevenson Co Incorporated. The National Stock Number assigned to this part is 5340014617116, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 645A551H30.