Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7530-00-612-4000 found under Envelope Photograph by U S Dept Of Veterans Affairs. The National Stock Number assigned to this part is 7530013789215, 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 7530-00-612-4000.