Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 335-12491-TAB found under Cap Snap Fastener by Traulsen And Co Inc. The National Stock Number assigned to this part is 5325016453513, 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 335-12491-TAB.