How to tell a genuine NATO-pattern jerry can from a copy
Nobody owns the pattern, so the shape proves nothing. Six things you can measure, and the certificate question that settles it.
Nobody owns the NATO pattern. The shape is unregistered, the tooling is everywhere, and a can that looks exactly right can be built to nothing at all. Ask which of the things you can measure the supplier will put in writing.
Quick answer: How do you tell a real NATO jerry can from a fake?
Check six things on a sample: steel gauge, 0.8 to 0.9 mm for military-equivalent duty; an interior coating named for the contents; strip welds on the handles; a recessed perimeter seam; a full-size breather; and a reinforced spout. Then ask for the UN certificate number and the plant named on it. No body issues a NATO approval.
"NATO pattern" is a shape, not a certification
The pattern describes a geometry: the three-handle top, the recessed sides, the cam or screw closure and the external dimensions that let the can seat in a standard carrier. It is a design convention that survived from the 1930s because it works. It is not a standard anyone certifies against, and no body issues a “NATO approval” to a jerry can.
Other credentials do exist. UN marking certifies a design for dangerous goods carriage. TÜV or equivalent testing certifies that a design passed a named test regime. AS/NZS 2906 is the Australian and New Zealand fuel container standard. NSPA contract awards are procurement contracts with NATO’s own agency, open to firms from NATO member states. A supplier holding one of these is telling you something. A supplier saying only “NATO standard” is telling you nothing.
Military procurement runs to national defence standards rather than to a NATO-wide can specification, and a manufacturer supplying a defence programme builds to that customer's drawing. The meaningful question is whether the maker has ever produced against a named defence specification, for whom, and whether the drawing is still in production. That is answerable, and the answer separates a factory with a military history from one with a military-looking product.
The six things you can check
The six checks below are the attributes the critics use, and they are the right ones. Every one is measurable on a sample in front of you.
| What to check | Properly built | What a cheap copy does |
|---|---|---|
| Steel gauge | 0.8–0.9 mm for military-equivalent duty | 0.6–0.7 mm, unstated |
| Interior coating | Coating specified for the contents, named on the spec sheet | Bare steel, or a coating nobody will name. Rusts from the inside |
| Handle attachment | Continuous strip weld along the handle bar | Spot welds. The failure point when the can is full |
| Perimeter seam | Recessed, so the can lies flat on its back | Raised, so it rocks and cannot be stored on its back |
| Breather | Full-size breather tube, pours without glugging | Undersized or absent. Slow, surging decant |
| Spout and closure | Reinforced, gasket seats evenly, cam holds under pressure | Thin, poorly welded, gasket that takes a set and leaks |
Where our standard build actually sits
Our standard NATO-pattern steel can is pressed at 0.6 mm for the 20 litre fuel can and 0.5 mm for the water cans. That is lighter than the 0.9 mm a Latvian military can is pressed at, and lighter than the 0.7 mm the best-known buyer’s guide on this subject measured on a copy. We are not going to pretend otherwise, and you should discount any supplier who would.
What that build is for: civil, agricultural, retail and general commercial duty, where the can is carried, filled and stored rather than issued to a unit and dropped off a truck. It is internally coated for its contents. The coating decides whether fuel keeps or the can rusts through, and we name it when a cheap can will not.
For military-equivalent service we press the same pattern at 0.9 mm to order, which is the gauge the comparison above is written against. Our 25 and 30 litre NATO cans and the stainless NATO can already run at 0.8 mm as standard. If you are specifying for a defence, fire or heavy-field application, that is the build to ask for, and you should ask every supplier the same question before you compare prices.
The certification question most buyers get wrong
UN approval is granted per design type, and the competent authority has to accept each plant that makes it. A supplier who moves production to a second factory needs that factory approved for that design, and a certificate naming a plant your goods did not come from is worth nothing. So ask which certificate number covers this design, at which plant, and may I see it?
A supplier who can answer that in one email is a supplier with a real approval. A supplier who sends a photograph of a stamped can, or a certificate with the plant redacted, has told you what you need to know.
What to put in the email
- Steel gauge in millimetres, for the exact SKU you are quoting
- The interior coating, named, and what it is specified for
- UN certificate number, the design type it covers, and the plant named on it
- Whether the handle is strip welded or spot welded
- A sample, before any volume order
Any manufacturer who builds what they claim can answer all five from their desk, and the ones who cannot will change the subject to price. The test works on us too.
We hold UN certification for our dangerous-goods designs and we will send you the certificate number covering your design and the plant named on it. We run to ISO 9001, ISO 14001, ISO 45001. Inspection and test reports come with the order where they apply to your design, and factory audit documentation is available in accordance with that UN certification. Steel gauge and coating are stated on every product page, including where the standard build is lighter than a military can. Ask us the five questions.
Match the can to the duty
Our NATO-pattern line, with the gauge stated against each job.
| Your use case | Recommended can | Why this one |
|---|---|---|
| Civil and commercial fuel duty |  20L NATO Steel Fuel Can |
0.6 mm standard, coated for hydrocarbons; 0.9 mm to order. |
| Long service, no coating to fail |  Stainless NATO Can — 10L / 20L |
0.8 mm stainless as standard, NATO carrier fit. |
| More volume, same pattern |  25L & 30L NATO Can |
0.8 mm galvanised or stainless as standard. |
| Potable water, NATO carriers |  20L NATO Steel Water Can |
0.5 mm standard; specify 0.9 mm for field duty. |
Common questions
Is there such a thing as a NATO-certified jerry can?
No. NATO pattern describes a shape, not a certification, and no body issues a NATO approval to a jerry can. What exists is UN marking for dangerous goods, TUV or equivalent test certification, national standards such as AS/NZS 2906, and NSPA contract awards held by a few manufacturers.
How do I tell a real NATO jerry can from a fake?
Check six things: steel gauge, whether the interior coating is named, strip welds rather than spot welds on the handles, a recessed rather than raised perimeter seam, a full-size breather, and a reinforced spout. All six are measurable on a sample, which is why you should always get one before a volume order.
What steel thickness should a NATO jerry can be?
For military-equivalent duty, 0.8 to 0.9 mm. Cans pressed at 0.6 to 0.7 mm are built for civil, agricultural and retail service, which is legitimate but is not the same product. The number matters less than whether the supplier will state it for the exact SKU they are quoting.
Does a UN mark transfer between factories?
Not on its own. UN approval is granted per design type, and the competent authority decides what each plant making it must show. Ask which certificate number covers the design, at which plant, and to see it. A certificate naming a plant your goods did not come from covers nothing.
References
The standards and regulations this page relies on, at their issuing body. Where a market rule is named here, check the current revision before you specify against it.
First published
Last reviewed by David Guru, Co-Founder & Business Development Director. How we review our guides Fortitude21 makes and sells liquid containers; our guides carry no affiliate links.
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