Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 86 373 B found under Bearing Ball by C And H Distributors. The National Stock Number assigned to this part is 3110012697257, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 86 373 B.