Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 815-0091 found under Screw Fillister Hea by Cummins Power Generation Inc. The National Stock Number assigned to this part is 5305011742534, 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 815-0091.