Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ASTM-D25-99 found under by American Society For. The National Stock Number assigned to this part is 5510001612756, and the Federal Supply Class is 5510 Lumber And Related Basic Wood Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ASTM-D25-99.