MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Sw/excitation unit part no. 40-750, electromagnetic shutter part no. 12-900, concave grating, 1180 grooves part no. 99-60-20-19, cylindrical quartz lens, 250 mm part no. 18-230, accessory bar part no. 10-010, adjustable bilateral slit part no. 12-000, filter assembly part no. 16-830, cylinder quartz lens, 67 mm part no. 18-160, arc and spark stand part no. 19-300, rf shielding tubing part no. 19-312, exhaust system part no. 19-510, voltage regulator part no. 46-064, master film part no. 22-950
