Illustrative: an aircraft parts store at RAF Mildenhall, England. U.S. Air Force photo by Airman 1st Class Alexandria Lee (DVIDS, public domain). Not the contracted facility.

Leonardo Wins £70m UK Aircraft Consumables Contract Covering 11,000 NATO Stock Numbers

Technical Summary

The National Armaments Director (NAD) Group has awarded Leonardo (UK) Ltd an initial contract worth £27 million, approximately US$35 million, to supply consumable spares across the United Kingdom’s entire fixed-wing and rotary-wing military aircraft fleet. The Aircraft Consumables Commodities (ACC) contract runs for a base term of three years with four one-year extension options, giving a maximum life of seven years and a total potential value of up to £70 million. The Ministry of Defence (MoD) states the programme sustains around 75 skilled UK jobs, with work concentrated in Edinburgh, Coningsby and Bristol.

The agreement covers roughly 11,000 NATO Stock Numbers (NSNs), the codification references that uniquely identify an item of supply within the NATO Codification System (NCS). Each NSN is a 13-digit reference formed from a four-digit NATO Supply Classification code and a nine-digit National Item Identification Number (NIIN), the structure that keeps a UK-held item legible to allied logistics. The catalogue spans low-value but airworthiness-relevant items, from blind rivets, washers and cable ties to aircrew face masks, across platforms including the Eurofighter Typhoon, the AH-64E Apache, the CH-47 Chinook, the A400M Atlas and the C-17A Globemaster III. Several of these aircraft are currently committed to live operations in the Middle East, so the contract sits directly on the sustainment path for deployed air power.

The Aircraft Consumables Commodities contract covers approximately 11,000 NATO Stock Numbers and will run for up to seven years, providing long-term resilience in the supply of essential aircraft spares. Ministry of Defence, 19 June 2026

Analysis of Effects

The ACC contract restructures how the MoD sources consumable spares. Its predecessor arrangement supplied individual units directly. The new model consolidates demand at depot level, which concentrates inventory management and, on the MoD’s account, reduces duplication and administrative overhead. Under the contract Leonardo takes responsibility for spares modelling and forecasting, stock procurement, proactive maintenance of stock levels and obsolescence management across the covered platforms.

The contract applies a hybrid inventory policy. Fast-moving, high-demand items are managed proactively by the contractor against real-time stores availability, an approach that resembles a vendor-managed inventory arrangement. Slow-moving, low-demand items remain on a traditional as-and-when replenishment basis. That split is a standard technique for balancing holding costs against availability risk. The prize the MoD is pursuing is fewer aircraft-on-ground events caused by a missing low-value part, the classic failure mode in which a component costing a few pounds grounds a multi-million-pound airframe.

Personnel and Safety Considerations

The items in scope are consumables, yet many are flight-safety-relevant. Continued airworthiness depends on every fitted part meeting its approved specification and traceability requirement, so the integrity of the codification and quality-assurance chain matters as much as raw availability. Obsolescence management, addressing Diminishing Manufacturing Sources and Material Shortages (DMSMS), is central to a seven-year scope, because consumable production lines close and specifications change over a contract of that length. Consolidating this catalogue under a single accountable supplier concentrates both the workload and the risk, which raises the importance of the quality gates written into the agreement.

Data Gaps

Several parameters are not disclosed in the open-source release and are recorded here as data gaps rather than asserted as fact. They include: the identity of the predecessor contract and the incumbent supplier; whether the ACC award was competed or placed sole-source, and the size of any competitive field; the phasing between the £27 million committed value and the £70 million ceiling; the availability key performance indicators (KPIs) or service-credit regime that governs stockout penalties; and the proportion of the 11,000 NSNs that are UK-specific versus NATO-common items sourced through allied codification channels.

Corrections & updates welcome. If you hold open-source data that refines or corrects any parameter in this article, please contact [email protected] citing the specific claim and your source. Verified corrections will be incorporated and credited in the revision history. AI-assisted technical assessment based on open-source material. Not a formal intelligence product.