- From factory #37:
- Bureau #1 chief, Astrov
- Senior designer: Bogachev
- From Ordzhonikidze factory: Zasulskiy, Svet, Golikov, Poliovskiy, Karapetyants
- From GABTU:
- Military Engineer 1st Grade, Belov
- Military Engineer 3rd Grade, Minin
Due to changes to hull 0-10 in 1941, the hull increased in mass by 9 kg. Factory #37 takes it upon itself to reduce the weight by 4 kg by reducing the weight of its components. Podolsk factory will take the remaining 5 kg out of the weight of the hull.