This tender closed on 11 September 2026 — kept here for reference.
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Sentry 110 Cobalt Device Maintenance — Maint/Repair/Rebuild of Equipment- Instruments and Laboratory Equipment
Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA SHIPYARD · PORTSMOUTH NAVAL SHIPYARD GF · via SAM.gov — US federal contract opportunities
- Published
- 9 Sept 2026
- Closed
- 11 Sept 2026, 16:00 UTC
- Reference
- N3904026Q5703
- Location
- ME, United States
- Sector
- Electronics semiconductors
This notice was amended
Details changed after publication. Re-check the official notice before bidding.
- Submission deadline changed from 9 Sept 2026, 16:00 UTC to 11 Sept 2026, 16:00 UTCFirst seen by FreeTender on 9 Sept 2026 — most portals don’t publish when a corrigendum was issued.
At a glance
DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA SHIPYARD · PORTSMOUTH NAVAL SHIPYARD GF in United States has published a tender in electronics semiconductors: “Sentry 110 Cobalt Device Maintenance — Maint/Repair/Rebuild of Equipment- Instruments and Laboratory Equipment”. The deadline passed on 11 September 2026. Quote reference N3904026Q5703 in any correspondence with the buyer. FreeTender has recorded 12 notices from this buyer since 2026, 2 of them currently open. There are 776 open electronics semiconductors notices in United States on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.
Details
DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA SHIPYARD · PORTSMOUTH NAVAL SHIPYARD GF is soliciting Sentry 110 Cobalt Device Maintenance — Maint/Repair/Rebuild of Equipment- Instruments and Laboratory Equipment. Solicitation number N3904026Q5703. Classified under NAICS 334517 — Irradiation Apparatus Manufacturing. Product/service code J066 — MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT. Place of performance: ME, USA. Responses are due by 11 September 2026 16:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.
The Portsmouth Naval Shipyard (PNSY) requests a service contract to provide the annual maintenance service for Sentry 110 Cobalt Exposure Device. The PNSY Radiography Program owns and uses this Exposure Device in their work to expose radiography films to inspect production welds and base materials for NDT (Nondestructive Testing) inspection. This Device is required to be serviced by the Manufacturer annually at their location. This piece of equipment is crucial for completion of inspections prior to NDT.
This notice has closed — what to do next
We hold 12 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA SHIPYARD · PORTSMOUTH NAVAL SHIPYARD GF, going back to September 2026 — 2 of them still open. They buy mostly in Manufacturing & Supply, Construction & Infrastructure and Electronics semiconductors. There are 776 open Electronics semiconductors tenders in United States.
Open now from this buyer
Open Electronics semiconductors tenders in United States
- Receiver, Countermea — Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment· closes 27 Oct
- Test Set, Interface — 62 each, NSN 6625014745998· closes 2 Nov
- Transmitter, Inducti — Navigational Instruments· closes 30 Oct
- Transmitter, Pressure — 9 each, NSN 6685123750988· closes 30 Oct
- SSE, Aircraft, Materi, in Repair/Modification of· closes 28 Dec
Before you bid on this tender
A quick checklist to help you decide whether to bid and prepare a compliant submission for this electronics semiconductors opportunity. Always verify the details on the official source.
- Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
- Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
- Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
- Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
- Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
- Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
More Electronics semiconductors tenders
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- Lead, Electrical — 14 each, NSN 6150015520789DEPT OF DEFENSE · DEFENSE LOGISTICS AGENCY · DLA LAND · DLA LAND COLUMBUS · DLA LAND AND MARITIME · United States
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