SAM #80NSSC26938491Q

NASA ICEE Facility Procurement of UHV Rotary Seal, Valve Manifold, and Linear Translator

NASA's ICEE Facility is procuring specialized Ultra High Vacuum (UHV) components to support a low vibration helium cryo-cooler for planetary science ice experiments. - Government Buyer: - NASA (National Aeronautics and Space Administration) - Products Requested: - RNN Series Differentially Pumped Rotary Seal - 1 unit - Features: 8 CF base and travel flange, graphite impregnated PTFE seals, 150°C max bakeout, 0-360 scale with vernier, base pressure in 10^-11 Torr range, fine adjust worm drive (100:1 ratio), extended ports for EB stage clearance - Valve Manifold System - 1 unit - Permits 1st stage pump to evacuate 2nd stage pump - EDT Series UHV Precision Linear Translator - 1 unit - Features: 8" O.D. CF base and travel flange, 4.98" I.D. stainless steel edge welded bellows, 12" Z travel knob with adjust acme drive (0.001" resolution) - Notable Requirements: - All components must be compatible with ultra-high vacuum environments and support low vibration operation - Packing and shipping are included in the procurement - OEMs: - No specific OEMs are named, but RNN and EDT Series are referenced as product lines, which may indicate preferred manufacturers or models

Description

see attached SOW and RFQ

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