---
title: "In Service Support of Air Particle Detectors"
ocid: "ocds-h6vhtk-060112"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060112"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-060112.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-060112.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "MINISTRY OF DEFENCE"
published: "2026-01-07"
---

# In Service Support of Air Particle Detectors

Buyer: MINISTRY OF DEFENCE  
Current stage: Award  
OCID: ocds-h6vhtk-060112

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-060112.json)

## Summary

The Ministry of Defence (MOD), based in Bristol, United Kingdom, has concluded a procurement process for the "In Service Support of Air Particle Detectors" under the Defence Equipment and Support (DE&S) organisation. The contract, which focuses on electronic and electrical spare parts for military vehicles, was awarded to Spectral Laboratories Incorporated from San Diego, United States. This process falls under the category of goods and has been finalised with a 5-year contract, including a potential extension of five optional years. The procurement was conducted through a limited procurement method due to specific technical requirements, bypassing the prior publication of a call for competition. The contract, valued at GBP 2,177,123.57, was legally signed on 1st November 2025 and is currently active.

This tender presents significant business growth opportunities specifically for companies specialising in highly technical and custom manufacturing, particularly those with experience in military or defence-related equipment. Companies that possess bespoke technical capabilities and can comply with stringent UK safety regulations would have been well-suited to compete if the competition had been open. The invitation to engage in such a specialised contract with the MOD could enhance a company's reputation within the defence sector, leading to further opportunities in both public and private sectors. The specific procurement method used, although restrictive, underscores the MOD's commitment to ensuring the highest levels of technical precision and operational capability.

## Notice

The Chemical, Biological, Radiological and Nuclear (CBRN) team, part of the Defence Equipment and Support (DE&S) organisation within the UK Ministry of Defence (MOD), have placed a new 5-year contract (with 5x Option Years) with Spectral Laboratories Incorporated as the Original Equipment Manufacturer (OEM).

### Lot Information

Lot 1

A contract with Spectral Labs Incorporated (SLI) for the In-service support for air particle detectors for a period of 5 years.

### Procurement Information

A VTN was published and the below explanation was provided: In accordance with Regulation 4 of the Defence and Security Contracts (Amendment) (EU Exit) 2019 Regulations (SI 2019/697) this procurement falls to be regulated under the provisions of the Defence and Security Public Contracts Regulations 2011 as amended (by SI 2019/697 and SI 2020/1450). Prior publication of a contract notice in the official Journal of the European Union is no longer appropriate. It is considered that the award of this contract without prior publication of a contract notice in the UK e-notification service (as required by the relevant legislation) is lawful in accordance with Regulation 16(1)(a)(ii) of the Defence and Security Public Contract Regulations 2011 (as amended) for Technical Reasons. Spectral Laboratories Incorporated as the OEM owns key elements of the design of the air particle detectors, and the MOD does not possess sufficient rights to provide to any third party. In any event only Spectral Laboratories Incorporated has the bespoke technical know-how, technical expertise, equipment, and tooling required to perform the services and ensure the continued operational capability of the APD systems. Spectral Laboratories Incorporated is the only Supplier with the required customised facilities and testing capabilities that are compliant with the relevant UK safety regulations to ensure fleet operations are maintained. The information for the notice is: * Notice Number 2024/S 000-006766 * Link https://www.find-tender.service.gov.uk/Notice/006766-2024 * Notice Reference 2024-040635

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/001103-2026 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Limited |
| Procurement method details | Award procedure without prior publication of a call for competition |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Jan 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 1 Nov 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £2,177,123 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | MINISTRY OF DEFENCE |
| Locality | BRISTOL |
| Post town | Not specified |
| Postcode | N/A |
| Country | Not specified |
| ITL 1 | Not specified |
| ITL 2 | Not specified |
| ITL 3 | Not specified |
| Local authority | Not specified |
| Electoral ward | Not specified |
| Westminster constituency | Not specified |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | SPECTRAL LABS INCORPORATED (SLI |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment

### Codes

- 35422000 - Electronic and electrical spare parts for military vehicles

## Release History

- 7 Jan 2026 at 14:07 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/001103-2026

## Notice URLs

- https://des.mod.uk
- https://www.find-tender.service.gov.uk/Notice/006766-2024

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060112. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-060112.json.