Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5645 found under Channel Bumper Supp by Pdi Ground Support Systems Inc. The National Stock Number assigned to this part is 9510016022511, and the Federal Supply Class is 9510 Bars And Rods. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5645.