Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1310 0304 91 found under Reel Assembly Hose by Atlas Copco. The National Stock Number assigned to this part is 4940015739135, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1310 0304 91.