Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1-1 8SH-A103 ITEM 30 found under Screw Machine by Sheffer Corp. The National Stock Number assigned to this part is 5305012716413, 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 1-1 8SH-A103 ITEM 30.