Nc 4 wheel flat deck. 759 wagons built from 1956 to 1968. Av tare 6T-3C-1Q. Numbers 641,  642, 841 to 1442.

2 prototype wagons built in 1956 with the rest from 1962 until 68. Nc-1 and Nc -2 variants very similar.

Pewter and brass parts. Northyard wheels and bearings. No couplers.