Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81000-206 found under Screw Cap Hexagon H by Jenny Products Inc. The National Stock Number assigned to this part is 5305011005190, 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 81000-206.