Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3000400-270 found under Screw Cap Hexagon Head by Hdt Tactical Power Inc. The National Stock Number assigned to this part is 5305015332487, 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 3000400-270.