Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SA-A2-THMBSCRW found under Thumbscrew by G E Inspection Technologies Lp. The National Stock Number assigned to this part is 5305016167880, 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 SA-A2-THMBSCRW.