Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 323285PC7 found under Retainer Optical Element by Alliant Techsystems Operations Llc. The National Stock Number assigned to this part is 1240001553343, 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 323285PC7.