Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3215.3740 PARTS KIT A found under Parts Kit X Ray Apparatus Portable by Dynarad Corp. The National Stock Number assigned to this part is 6545013265242, 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 3215.3740 PARTS KIT A.