Entities in the EU can verify framework alignment via the European Defence Agency EDSTAR Portal .
Without standards like STANAG 4157, joint operations would be far more dangerous. Because every NATO ally ratifies these standards, a soldier from one country can confidently store another country's munitions in their own magazine or vehicle, knowing exactly what safety tests they have passed. How to Access the PDF NATO - STANAG 4157 - Standards | GlobalSpec stanag 4157 pdf
: Defense companies require the exact text to fulfill government contract requirements. Entities in the EU can verify framework alignment
: Allowing NATO member nations to confidently share and fire munitions without repeating redundant national safety tests. How to Access the PDF NATO - STANAG
is the NATO Standardization Agreement that sets the testing requirements for Safety, Arming, and Functioning (SAF) Systems in munitions. Primary Objective
Describes the use of NATO’s EPVAT (Electronic Pressure, Velocity, and Action Time) system. It mandates the placement of a conformal transducer 25 mm from the breech face for rifle cartridges. Maximum allowable mean pressures are given for each caliber.
If you are not affiliated with a NATO member nation’s defense organization or an accredited partner, you can still obtain the STANAG 4157 PDF through authorized standards distributors. These vendors provide both the current (2017) edition and archived (2002) editions.