Space Shuttle Orbiter pyrotechnic frangible release nut assembly attested to as flown by aerospace historian and researcher Rick Boos, measuring 5.5″ x 5″ x 3.5″, labeled on the side: "Release Nut, 10309-0011-801/55340, Mfr Date - MO:06 YR:85, Hi-Shear Technology Corp….Lot-Ser. No: AAA-100018." In fine condition. Accompanied by a letter of provenance signed by Rick Boos, attesting to this artifact as "an authentic flown NASA Space Shuttle orbiter pyrotechnic frangible release nut assembly…designed to secure and separate the space shuttle orbiter from the external tank."
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![Lot #7316 Space Shuttle Flown Release Nut [Attested by Rick Boos] - Image 1](https://d2skn5554g4boz.cloudfront.net/2020-website/677/3478742/large/3478742_1.jpg)
![Lot #7316 Space Shuttle Flown Release Nut [Attested by Rick Boos] - Image 2](https://d2skn5554g4boz.cloudfront.net/2020-website/677/3478742/large/3478742_2.jpg)
![Lot #7316 Space Shuttle Flown Release Nut [Attested by Rick Boos] - Image 3](https://d2skn5554g4boz.cloudfront.net/2020-website/677/3478742/large/3478742_3.jpg)
![Lot #7316 Space Shuttle Flown Release Nut [Attested by Rick Boos] - Image 4](https://d2skn5554g4boz.cloudfront.net/2020-website/677/3478742/large/3478742_4.jpg)