# Secondary Payload Avionics Unit (SPAU)

Canonical: https://abierto.us/opportunities/msfc26142

- Solicitation number: MSFC_26-142
- Notice type: Justification
- Status: No response deadline
- Department: National Aeronautics and Space Administration
- Contracting office: NASA Marshall Space Flight Center (80MSFC)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AR14 Space R&D Services; Space Flight, Research And Supporting Activities; R&D Administrative Expenses
- Place of performance: Chatsworth, California
- County: Los Angeles County (FIPS 06037). https://abierto.us/counties/los-angeles-county-ca-06037
- First posted: October 27, 2026
- Last posted: October 27, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/d4404f77681642b78226ba8d69b5a961/view

## Description

Secondary Payload Avionics Units (AUs) and engineering support for Artemis missions including a spare unit, as part of the SLS Secondary Payload Deployment System to control the deployment of secondary payloads from the Orion Stage Adaptor during these missions. Each AU is comprised of a sequencer, capable of storing and executing multiple deployment scenarios, and a battery to supply power to the deployment system for the duration of the mission objectives.

## Attachments

- [022. Justification for Other than Full and Open Competition (JOFOC)-Unusual_and_Compelling_Urgency_Avionics Unit_Post.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/07e191d22baf42f0af197c21753e894c/download)

## Open now in the same industry

127 open in NAICS 541715.

- SYSTEM DELTA 84 (SYD 84/MT) MEDIUM EARTH ORBIT MISSILE WARNING / MISSILE TRACKING EPOCH 3 and EPOCH 4, REQUEST FOR INFORMATION (RFI) (FA8810-RFI-26-SYD84-E3E4), due December 1, 2026 at 7:00 PM EST. https://abierto.us/opportunities/fa8810rfi26syd84e3e4
- Sources Sought Special Notice 2026 (80ARC026AOSS), due January 1, 2027 at 2:59 AM EST. https://abierto.us/opportunities/80arc026aoss
- Space-to-Space (S2S) Communication Broad Agency Announcement (BAA) (FA8819-25-R-B006), due September 14, 2030 at 3:00 AM EDT. https://abierto.us/opportunities/fa881925rb006

## Publications

- October 27, 2026: Justification. Notice d4404f77681642b78226ba8d69b5a961. https://sam.gov/workspace/contract/opp/d4404f77681642b78226ba8d69b5a961/view

## Points of contact

- Yong Castillo, yong.h.castillo@nasa.gov, 2565446706
- Lisa Grady, lisa.c.grady@nasa.gov, 2569610624

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/msfc26142.