Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 157D3775 found under Plate Retaining Bea by General Dynamics Ots Inc. The National Stock Number assigned to this part is 3110015547380, 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 157D3775.