Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS3217-142 found under Ring Retainer Spira by Snecma Moteurs Groupe Snecma. The National Stock Number assigned to this part is 5365015955463, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS3217-142.