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Author
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Topic: Apollo lunar module part identification help
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spaceguydave
Member Posts: 15
From: Fairport, NY USA
Registered: Oct 2024
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posted 09-15-2025 05:50 PM
   
As always, I really appreciate the help of this community. I recently purchased the piece below. I believe that it is from the Apollo lunar module (NAS 9-1100 contract) but would like help identifying what it would have been used for. My best guess is that it held something down. The size is 23" long x 1 5/8" wide at the ends. It is a rubber coated flexible rectangular and spring-like. The cable in the photo is about 14" long and 1/2" in diameter, fabric wrapped. Possibly a grounding cable? Any idea what era this would have been from?  
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David Carey
Member Posts: 1081
From:
Registered: Mar 2009
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posted 09-15-2025 08:36 PM
Based on the last picture, the long black item appears to be a flexible waveguide for microwave frequencies. If you have measurements of the rectangular opening you can determine the intended frequency of use to see if it aligns with the S-Band radio communication frequencies used in the LM (2.1-2.3GHz). |
spaceguydave
Member Posts: 15
From: Fairport, NY USA
Registered: Oct 2024
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posted 09-15-2025 08:41 PM
Thanks for the response. The opening is 7/8" x 3/8". Where would this be located? I would love to find it in a photo to show my students. Thanks. |
SpaceAholic
Member Posts: 5509
From: Sierra Vista, Arizona
Registered: Nov 1999
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posted 09-15-2025 08:47 PM
Ground support. |
spaceguydave
Member Posts: 15
From: Fairport, NY USA
Registered: Oct 2024
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posted 09-15-2025 08:56 PM
I measured the opening with calipers and it most closely matches 22.86mm x 10.16mm, 8.20 to 12.40 GHz. What was that frequency used for?Also, if ground support, can I assume that it was not part of the lunar module but rather used on a piece of earth-based equipment? |
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