What is AS5553?

AS5553 is the SAE aerospace standard for avoiding, detecting, mitigating and disposing of counterfeit electronic parts. It sets out the requirements for a counterfeit-parts control plan covering how you buy electronic components, how you verify them, and what you do when something suspect appears.

It exists because the counterfeit electronics problem is real and persistent. Counterfeit parts range from relabelled commercial-grade components sold as military-grade, to recovered parts salvaged from scrap and remarked, to entirely fraudulent devices. In aerospace and defense the consequences of one reaching a build are severe — and the risk spikes during every component shortage, when buyers are pushed toward unfamiliar sources.

AS5553 sits within a family. AS5553 addresses electronic parts for organizations that buy and use them. AS6081 covers independent distributors. AS6174 extends similar thinking to materiel more broadly. AS5553 is also closely connected to AS9100, which requires counterfeit-part prevention — AS5553 is how that requirement is actually met in practice.

Who needs AS5553

It is a fit for:

  • Aerospace and defense manufacturers that buy or install electronic components
  • Contract electronics manufacturers and assembly houses
  • Distributors and stockists of electronic parts
  • MRO organizations sourcing replacement components
  • Organizations supporting legacy or long-life programmes, where original parts are obsolete and the supply chain becomes unavoidably grey
  • Any AS9100-certified organization needing to demonstrate a substantive counterfeit-part control plan
  • Suppliers to primes flowing down counterfeit-avoidance requirements

The highest-risk profile is the one many defense suppliers cannot avoid: sustaining legacy systems whose specified components went out of production years ago. Once you are buying obsolete parts from the secondary market, you are in exactly the environment counterfeiters target, and a control plan stops being paperwork and becomes the thing standing between you and a fraudulent part in a flight-critical assembly.

What AS5553 requires

The standard requires a documented counterfeit electronic parts control plan, covering:

  • Parts availability and obsolescence management — planning for end-of-life so you are not forced into the grey market unprepared
  • Purchasing controls — a strong preference for original component manufacturers and franchised distributors, with documented justification whenever you go outside that channel
  • Supplier assessment for independent distributors and brokers, including their own counterfeit controls and traceability
  • Traceability back to the original manufacturer wherever achievable, and honest recording of where it is not
  • Verification and test proportionate to risk — documentation review, external visual inspection, marking-permanency checks, X-ray, decapsulation, XRF, electrical test
  • Inspection competence — trained personnel who know what counterfeit indicators look like
  • Control of suspect parts — quarantine, and critically, not returning suspect parts to the supply chain
  • Reporting — to customers, to authorities and to industry databases such as GIDEP
  • Disposition — physically destroying confirmed counterfeit parts rather than returning or reselling them
  • Flow-down of the requirements to your own supply base

The quarantine-and-destroy requirement deserves emphasis because it is counter-intuitive commercially. Returning a suspect part to the broker recovers your money and puts the part back into circulation, where it will reach someone else. AS5553 requires you to take the loss.

Why implement it

Prime requirement. Counterfeit-part controls are flowed down through the defense supply chain, and AS9100 requires them. AS5553 is the recognized way to demonstrate you have a real programme rather than a policy statement.

Consequence avoidance. A counterfeit part discovered in a delivered assembly is among the worst outcomes available to an aerospace supplier — recall, investigation, customer escalation, potential debarment, and reputational damage that outlasts all of it. The cost of the control plan is trivial against that.

Obsolescence discipline. The most valuable part of implementation is often the least dramatic: proper obsolescence management. Organizations that plan for end-of-life components make fewer desperate purchases, and desperate purchases are where counterfeits enter.

Legal exposure. Supplying counterfeit parts into defense programmes carries serious statutory consequences. A documented, followed control plan is also your evidence of diligence if something does slip through.

How QSE implements it

We bring 30+ years of quality-system work, 900+ organizations certified and a 100% first-time pass rate, with deep aerospace experience across AS9100, AS9110 and AS9120.

In most cases we implement AS5553 as part of your AS9100 system rather than as a standalone project, because AS9100 already requires counterfeit prevention and the two should be one programme. That typically makes this a 3 to 6 month piece of work.

We start with your actual purchasing reality — which parts you buy, from which channels, and where obsolescence is forcing you outside franchised distribution. That determines where the risk genuinely is. Then we build the control plan: purchasing controls and channel preferences, supplier assessment for independent distributors, risk-proportionate verification and test, quarantine and disposition procedures, reporting into GIDEP and to customers, and flow-down to your suppliers.

We train your purchasing and inspection people specifically — recognizing counterfeit indicators is a skill, and a control plan nobody can execute is worthless. Then we audit it against real purchase records.

Common pitfalls we help you avoid

  • A control plan that exists as a document while purchasing continues to buy from brokers without assessment
  • No obsolescence management, so the organization is repeatedly forced into emergency grey-market purchases
  • Returning suspect parts to the supplier for credit, putting them back into circulation — the standard requires you to absorb the loss
  • Verification applied uniformly rather than proportionate to risk, so effort is wasted on franchised purchases and thin on brokered ones
  • Inspection staff with no training in counterfeit indicators
  • No reporting to customers or GIDEP when a suspect part is found
  • Failing to flow requirements down to your own suppliers and contract manufacturers
  • Treating AS5553 as separate from AS9100, producing two overlapping programmes
  • Choosing the wrong standard in the family — AS6081 applies to independent distributors, AS6174 to broader materiel