# B-52 APQ-166 Magnetron/Electron Tube

Canonical: https://abierto.us/opportunities/2100017

- Solicitation number: 21-00017
- Notice type: Presolicitation
- Status: Open. Offers due November 30, 2026 at 3:30 PM EST
- Department: Department of the Air Force
- Agency: Department of the Air Force
- Contracting office: FA8539 AFSC Pzaba (FA8539)
- NAICS: 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- Product or service code: 5960 Electron Tubes and Associated Hardware
- Place of performance: Beverly, Massachusetts
- Who can bid, by location: Anywhere in the US. Location does not limit who can bid: a product shipped to the buyer, research at the performer's facility, or work at the contractor's site. A state shown is the delivery point.
- County: Essex County (FIPS 25009). https://abierto.us/counties/essex-county-ma-25009
- City: Beverly. https://abierto.us/cities/beverly-ma-2505595
- First posted: October 27, 2026
- Last posted: October 27, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/efa04061afb0446b82394491601d1579/view

## Description

The Government is conducting market research to identify potential sources that possess the repair data, expertise, capabilities, and experience to meet qualification requirements to purchase the B-52 APQ-166 Magnetron/Electron Tube.  The National Stock Numbers (NSN) and Part Numbers (PN) are as follows: NSN 5960-01-318-0987, PN VMX-1849.

The APQ-166 is currently repaired by CPI (88236) under contract FA8539-22-D-0002. The RMC/RMSC code for the APQ-166 is R3/R. This service has been performed multiple times by CPI, which is the original manufacturer of the APQ-166. The technical data required to organically repair or complete the repair is not owned by the Government and is uneconomical to acquire the data by purchase or to reverse engineer the item. No samples are available for potential suppliers to evaluate.

## Attachments

- [RFI for Follow-on FA853922D0002.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/40f04e89adaf4e3e97e901fb3699ed45/download)

## Open now in the same industry

112 open in NAICS 334511.

- OVERHEAD PROJECTOR, (SPRPA126RUC21), due November 2, 2026 at 1:00 PM EST. https://abierto.us/opportunities/sprpa126ruc21
- SPRRA127RA002// COMPUTER, FLIGHT CONTROL// 6615016583654 (98239743), due November 2, 2026 at 2:00 PM EST. https://abierto.us/opportunities/98239743
- VACUUM PUMP UNIT (N0010426QND26), due November 2, 2026 at 3:30 PM EST. https://abierto.us/opportunities/n0010426qnd26

## Publications

- October 27, 2026: Presolicitation, due November 30, 2026 at 3:30 PM EST. Notice efa04061afb0446b82394491601d1579. https://sam.gov/workspace/contract/opp/efa04061afb0446b82394491601d1579/view

## Points of contact

- Andrew Adams, andrew.adams.13@us.af.mil
- Jason Morgan, Jason.Morgan.37@us.af.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/2100017.