Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SSR005-250-01 found under Screw Panel Fastener by Lyn Tron Inc. The National Stock Number assigned to this part is 5305016663800, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SSR005-250-01.