Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM2-10MM found under Screw Machine by Efratom Time And Frequency Products Inc. The National Stock Number assigned to this part is 5305012467196, 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 SM2-10MM.