Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SIB-430 found under Support Electrical Card Holder by Sigmation Inc. The National Stock Number assigned to this part is 5998012210092, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SIB-430.