For MASH 2016 and later Systems

ClassFunctionTypeNumberOptions
S – SystemC – Crash CushionG – Gating / Non-Redirective01 – 99a – z
N – Non-Gating / Redirective
R – Redirective / Gating

For NCHRP Report 350 Systems

ClassFunctionTypeNumberOptions
S – SystemC – Crash CushionI – Independent01 – 99a – z
T – Thrie-Beam