Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DW500 1 INCH found under Tapepressure Sensitive Adhesive by Dewal Industries Inc. The National Stock Number assigned to this part is 7510016912839, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DW500 1 INCH.