Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0455-127 found under Setscrew by H K Connecticut Holding Company. The National Stock Number assigned to this part is 5305011876063, 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 0455-127.