Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 298365 ITEM 21 found under Stud Bolt by Oil States Industries Inc. The National Stock Number assigned to this part is 5307010937990, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 298365 ITEM 21.