Skip to main content


    NASA / Vacco Pressure Relief Valve, Manufactured 1965. Likely used in the Apollo program, this high quality machined part has four ¾" diameter screw-on ports at 90º angles and is 3" x 3" x 4.75" overall. Printed information gives assembly and installation date as third quarter 1965 along with inspectors' stamps. Like new, excellent.

    Fees, Shipping, and Handling Description: Miscellaneous Collectibles, Large (view shipping information)

    Sales Tax information  |  Terms and Conditions

    Bidding Guidelines and Bid Increments

    Glossary of Terms

    Auction Info

    Auction Dates
    May, 2017
    19th Friday
    Internet/Mail Bids: 3
    Lot Tracking Activity: N/A
    Page Views: 200

    Buyer's Premium per Lot:
    25% on the first $250,000 (minimum $19), plus 20% of any amount between $250,000 and $2,500,000, plus 12% of any amount over $2,500,000 per lot.

    Sold for: Sign-in or Join (free & quick)

    Heritage membership

    Join Now - It's Free

    1. Past Auction Values (prices, photos, full descriptions, etc.)
    2. Bid online
    3. Free Collector newsletter
    4. Want List with instant e-mail notifications
    5. Reduced auction commissions when you resell your
    Consign now
    • Cash Advances
    • More Bidders
    • Trusted Experts
    • Over 200,000 Satisfied Consignors Since 1976
    Consign to the 2018 October 25 Manuscripts - Dallas.

    Learn about consigning with us

    Thanks a million for getting approval to sell my Civil War Hospital Death Ledger! You made them AND ME , a nice profit. You are the best!
    Ed W.,
    Mount Vernon, OH
    View More Testimonials receives more traffic than any other auction house website. (Source:

    Video tutorial

    Getting the most out of search

    Recent auctions

    2018 March 17 Western Americana & Texana Grand Format Auction - Dallas
    2018 March 17 Western Americana & Texana Grand Format Auction - Dallas
    REALIZED SO FAR $320,944