Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1801E25ITEM6 found under Screw Shoulder by Westinghouse Electric Corp. The National Stock Number assigned to this part is 5305012864290, 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 1801E25ITEM6.