Normas ISO

Aerospace -- Bolts, thin hexagonal head, for pulleys, close tolerance shank, short thread, in alloy steel and cadmium plated or in titanium alloy and MoS2 lubricated or in corrosion-resistant steel and passivated -- Dimensions and masses

Aerospace -- Washers, flat, for pulleys, in alloy steel and cadmium plated or in corrosion-resistant steel and passivated -- Dimensions and masses

Aerospace -- Washers, chamfered, with counterbore, for pulleys, in alloy steel and cadmium plated or in corrosion-resistant steel and passivated -- Dimensions and masses

Aerospace -- Nuts, hexagonal, slotted (castellated), for pulleys, in alloy steel and cadmium plated or in corrosion-resistant steel and passivated -- Dimensions and masses

Optics and optical instruments -- Optical coatings-- Part 1: Definitions

Measurement of liquid flow in open channels -- Measurement in meandering rivers and in streams with unstable boundaries