Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P-D-455 CLASZ16 found under Disk Abrasive by General Services Administration Inc. The National Stock Number assigned to this part is 5345001961667, and the Federal Supply Class is 5345 Disks And Stones Abrasive. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P-D-455 CLASZ16.