What is the NEW for a 4.2mm round?

The New Explosive Weight (NEW) for a 4.2-inch round is 9 pounds H, which indicates that it is a high explosive round. In military ordnance, different munition types are categorized based on their dimensions and respective explosive weights. The designation of explosive weight helps in understanding the potential hazards associated with the munition, including the guidelines for safe handling and disposal.

Knowing that the 4.2-inch round fits in a specific class of artillery projectiles, its explosive weight is significant for planning and executing ordnance disposal operations and safety measures in the field. Proper recognition of this specification helps in enforcing safety protocols to mitigate risks during handling and clearance operations related to unexploded ordnance (UXO).