National Aeronautics And Space Administration- National Aeronautics And Space Administration- Nasa Shared Services Center
Purchase of UHV Components for ICEE facility - see attached SOW and RFQ
Purchase of UHV components for ICEE facility 1. RNN series differentially pumped rotary seal with a . 8 cf base and travel flange detail, tapped, on **** o. d. plates, 6. 03: i. d. through bore graphite impregnated PTFE seals, 150 C maximum bakeout temperature, **** scale with vernier, capable of base pressure in 10^ 11 torr range, fine adjust worm drive, 100: 1 drive ratio, extended ports for EB stage clearance. 2. Valve manifold system, permitting 1st stage pump to evacuate 2nd stage pump. 3. EDT series UHV ultra high vacuum precision linear translator with a 8 o. d. CF base flange, tapped, 8: o. d. CF travel flange, tapped, 4. 98 i. d. stainless steel edge welded bellows, 12 z travel knob with adjust ACME drive, **** resolution.
Bid Close Date: