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STANAG 4147

STANAG 4147 chemical compatibility of munition components

Makers and qualifiers of munition components that contact explosives, propellants or pyrotechnic compositions, and the programmes that specify their compatibility testing.

STANAG 4147 is NATO's agreement on the chemical compatibility of munition components with the energetic materials they contact. NATO marks it NATO UNCLASSIFIED but has not released it publicly; this page describes it from public NATO publications that cite it.

Edition
3
Published
2023-06-14

NATO has not released this STANAG publicly. It is NATO UNCLASSIFIED, and organisations that need it obtain it through their national standardization authority.

What it is

STANAG 4147 is the NATO Standardization Agreement on energetic materials, chemical compatibility with munition components, published as AOP-4147 edition A. Edition 3 was promulgated in June 2023 under CNAD, AC/326 CASG, SG/A, EMT. NATO marks STANAG 4147 NATO UNCLASSIFIED and has not released it publicly, so this page describes it from public NATO publications that cite it.

Where it is cited

AOP-07, a publicly disclosed NATO publication, lists STANAG 4147 among its qualification test STANAGs, describing it as covering "Explosives, Chemical Compatibility of Ammunition Components with Explosives and Propellants (Non-Nuclear Applications)". In near-identical clauses for explosives, propellants and pyrotechnic compositions, AOP-07 requires that data acquired in accordance with STANAG 4147 be provided to determine the compatibility of the material with the materials used in its manufacture or in its intended application. Its mandatory-data list for primary explosives names a "Compatibility - Vacuum Stability-Reactivity" test under STANAG 4147, and a data list for solid rocket propellants names compatibility with materials under STANAG 4147 as well.

Three further NATO publications, AAS3P-20, AAS3P-21 and AAS3P-22, use near-identical wording in passages on compositions containing metal fuel. They say chemical and explosive compatibility, per STANAG 4147, should have been assessed "between all components with the energetic materials they will be in contact with (both in physical contact and by gas/vapour path)" during material qualification or the design of the munition, and that the compatibility data shall be "presented as a matrix that lists the materials, and for each explosive declares whether there is contact or not", with evidence to support the claim.

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A supplier bound by STANAG 4147 through a contract holds the obtained text through its national authority. In ComplyTrain you record the requirements that apply to you as your own requirements, give each an owner, and keep the evidence that shows you meet them against each one.

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