Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 253-8327 PARTS KIT-A found under Parts Kit Illuminator X Ray Film by Philips Medical Systems. The National Stock Number assigned to this part is 6545012640820, 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 253-8327 PARTS KIT-A.