6698

Rocketdyne J–2 Engine Helium Release Valve

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 300.00 USD
Rocketdyne J–2 Engine Helium Release Valve

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Auction Date:2016 Apr 21 @ 18:00 (UTC-05:00 : EST/CDT)
Location:236 Commercial St., Suite 100, Boston, Massachusetts, 02109, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Rocketdyne J–2 engine helium release valve, 2.5 x 1.75 x 2.75, with two Rocketdyne inspection seals and the main cylinder labeled with part numbers, “551363 Assy, S/N N7261205, Valve Assy., Spec. NA5–27273t1–3, Rocketdyne, MFG 1–7–70” and “69BB453–2.” Red plastic base is engraved, “ST3950272RKLO11,” and labeled “02602” and “MFR08790.” Includes original Rocketdyne tag with NASA and North American inspection stamps and matching part numbers, as well as the original plastic bag with matching part numbers and date. The J-2 engine powered the second (S-II) and third (SIV-B) stages of the Saturn V rocket that took astronauts to the moon. Given how helium was used to power fuel bleed valves on the J-2, this important electrically operated valve opened to release excess pressure from the J-2's integral helium tank. In fine condition. Valve is unused and the previously sealed packaging was opened for inspection and photography only.