Tab 10 Questions
Updated
A PDF document (179 KB) attached to Relief valves, from the National Aeronautics and Space Administration. Due Nov 16, 2026, 4:00 PM (UTC-6).
File name: SATPC0043099 Tab 10 Questions.pdf
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SATPC0043099: Relief valves
we have received the following questions:
Can you confirm the manufacturer of OEM P/N 81S W8A16A-6? We read it as an Anderson Greenwood (Emerson) Type 81 relief valve.
o Yes, the manufacturer is Anderson Greenwood, CAGE code 01343.
Will an equivalent relief valve meeting the listed size, materials, set pressure and ASME requirements be considered, or is the exact OEM part required? o Exact OEM Part required and cannot be substituted because it is the only approved part per engineering drawing.
Is a cleaning level or cleanliness certificate required for the LH2 service (for example a KSC or ASTM G93 cleaning specification)?
o Cleaning requirements are as follows: INITIAL CLEANING PER KSC-C123J, LEVEL 300A, BY APPROVED VENDOR, SUBSEQUENT CLEANING TO BE ACCOMPLISHED AT KSC. FLOW THRU ONLY.
If manufacturer lead time runs past the 11/25/2026 need date, will a quote with a later delivery date still be considered technically acceptable? o Yes, later dates can be accepted, this is just a need date based on schedule/work to be performed. Please try to obtain the earliest possible EDD.
Please confirm the delivery address and receiving point at KSC. o
City: KENNEDY SPACE CENTER
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State/Province: FL
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Zip/Postal Code: 32899-0001
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Country: USA
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