Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1224-721 found under Latch Snapslide Fastener by Dfci Solutions Inc. The National Stock Number assigned to this part is 5325009468362, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1224-721.