Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6443281-200M1 found under Parts Kit Fastener by Bae Systems Survivability Systems Llc. The National Stock Number assigned to this part is 5325015787257, 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 6443281-200M1.