STANAG 4526 shaped charge jet munition test agreement

What it is

STANAG 4526 is the NATO Standardization Agreement covering the Shaped Charge Jet Munition Test Procedure. This is Edition 3, promulgated 20 November 2018, superseding the previous edition of the same STANAG; the document's own record of that earlier edition prints no date.

A STANAG is not the specification

A STANAG is the agreement by which NATO nations commit to implement a standard, not the technical specification itself. STANAG 4526's own text is short and administrative: a single aim, one interoperability requirement, and the ratification, implementation, review and reporting machinery around it. The actual test procedure sits in a separate publication, AOP-4526, Edition A, which the STANAG names as the standard "participating nations agree to implement." Anyone actually running or evaluating that test procedure needs AOP-4526's own text - this page does not describe it.

What it commits nations to

The stated aim is "to respond to the following interoperability requirements," reduced in this STANAG to one: "to accept the Allied ordnance publication (AOP)-4526 which gives guidelines on the way an shaped charge, munition test shall be performed." Nothing beyond that single requirement is developed in the STANAG's own text.

Who it binds, and how

STANAG 4526 binds nations, not suppliers. The document states it "has been ratified by member nations, as reflected in the NATO Standardization Document Database (NSDD), is promulgated herewith," and that it is "effective upon receipt and ready to be used by the implementing nations and NATO bodies." Partner nations are separately invited to adopt it. Implementation is a further, distinct step: a nation is considered to have implemented the agreement "when a nation has issued the necessary orders and instructions, putting the contents of this agreement into effect," and nations report both their ratification intentions and their implementation details back to the NATO Standardization Office, recorded in the NSDD. A supplier meets STANAG 4526, or the AOP-4526 test procedure it covers, only where a contract or tender says so - the document sets no obligation reaching a supplier directly.

Review and governance

The STANAG "is to be reviewed at least once every five years," with the result recorded in the NSDD. Any nation or NATO body may propose a change "at any time, through a standardization proposal to the tasking authority." That authority is the Conference of National Armaments Directors' Ammunition Safety Group (AC/326), Sub-Group B on Ammunition Systems Design and Assessment; the custodian nation is the United States.

How it's evaluated

STANAG 4526 names no certification or audit scheme, for a nation or for a supplier. What it describes is nations reporting to NATO: a ratification response, then a separate implementation report once the necessary national orders and instructions are in place, both recorded in the NSDD. The document does not describe a company as certified against STANAG 4526, and it never uses that language. Where a contract calls up AOP-4526's test procedure, whatever evidence a supplier has to produce follows from that contract's own quality clause, not from anything this STANAG specifies.

Standards it references

STANAG 4526 covers AOP-4526, the Allied Ordnance Publication that carries the actual test procedure. The document separately lists STANAG 4123 (classification of military ammunition and explosives) and STANAG 4439 with the AOP-39 insensitive-munitions policy it covers as related reading, and reviews of the STANAG itself run in accordance with AAP-03. It also names AASTP-3 and a United Nations manual on transport testing of dangerous goods among its related documents; neither is in our catalogue.

Standards it references

• STANAG 4123Background
• AASTP-03Background
• STANAG 4439Background
• AOP-39Background