Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZIP508923631 found under Slide Fastener Assault by Propper International Inc. The National Stock Number assigned to this part is 8315015315555, and the Federal Supply Class is 8315 Notions And Apparel Findings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZIP508923631.