Nas411 Here

However, — it has been superseded by NASA-STD-8739.8 (Software Assurance and Software Safety) and NASA-STD-8739.9 (Software Reliability).

I notice you mentioned and “long guide.” NAS411 is a NASA standard for “Software Quality Assurance Requirements for NASA’s Missions and Supporting Functions” (sometimes referenced in older documentation as “NASA Software Assurance Standard”). nas411