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MDC Precision offers world-class vacuum parts, such as sapphire glass viewports and thermocouple feedthroughs all in one place. All products conveniently organized by type with various size options to narrow the search. Supporting High and Ultra High Vacuum series.

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Items 1-12 of 2985

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  1. CONN USB 2.0 IN-VAC 39" CBL
    CONN USB 2.0 IN-VAC 39" CBL
    SKU: 9921039
    $462.00
  2. O-ring, Glass-to-retainer
    O-ring, Glass-to-retainer
    SKU: 41243
    $11.00
  3. O-ring, Glass-to-flange
    O-ring, Glass-to-flange
    SKU: 41346
    $10.00
  4. Replacement Viewport Glass, 5" (127mm) O.D., 7740 Pyrex Optical
    Replacement Viewport Glass, 5" (127mm) O.D., 7740 Pyrex Optical
    SKU: 45010
    Contact MDC for Price
  5. O-ring, FKM Elastomer 2-226
    O-ring, FKM Elastomer 2-226
    SKU: 41226
    $9.45
  6. O-ring, FKM Elastomer 2-223
    O-ring, FKM Elastomer 2-223
    SKU: 41223
    $8.00
  7. O-ring, FKM Elastomer 2-222
    O-ring, FKM Elastomer 2-222
    SKU: 41222
    $9.20
  8. O-ring, FKM Elastomer 2-220 60 Durometer
    O-ring, FKM Elastomer 2-220 60 Durometer
    SKU: 41220
    $8.40
  9. O-ring, FKM Elastomer 2-218
    O-ring, FKM Elastomer 2-218
    SKU: 41218
    $6.30
  10. O-ring, FKM Elastomer 2-216
    O-ring, FKM Elastomer 2-216
    SKU: 41216
    $6.30
  11. O-ring, FKM Elastomer 2-120
    O-ring, FKM Elastomer 2-120
    SKU: 41120
    $6.00
  12. O-ring, FKM Elastomer 2-118
    O-ring, FKM Elastomer 2-118
    SKU: 41118
    $6.00
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Shopping Options
Category
  1. Vacuum Flanges
  2. Vacuum Fittings
  3. Vacuum Valves
  4. Roughing Components
  5. Electrical Feedthroughs
  6. Viewports & Glass Components
  7. Motion & Manipulation
  8. Vacuum Breaks & Envelopes
  9. Vacuum Measurement
  10. Vacuum Chambers
  11. Hardware & Accessories
Bend Type
  1. Radius
  2. Miter
Cable Length
  1. 12"
  2. 36"
Conductor Material
  1. Copper
  2. Molybdenum
  3. Nickel
  4. Stainless Steel
  5. Constantan
Connector Type
  1. Coaxial BNC
  2. Coaxial MHV
  3. Coaxial Type-N
  4. Coaxial SMA
  5. Coaxial SMB
  6. Coaxial SHV-B
  7. Coaxial SHV-20
  8. Coaxial Microdot
  9. Power
Current
  1. 1
  2. 5
  3. 8
  4. 16
  5. 15
  6. **
  7. 30
  8. 10
  9. 100
  10. 1000
  11. 13
  12. 150
  13. 2
  14. 23
  15. 25
  16. 250
  17. 3
  18. 40
  19. 60
  20. 600
  21. 7
  22. 70
  23. 75
Feedthrough Subtype
  1. 500V / 3.5 A Single Ended
  2. 700V / 10 A Single Ended, MS
  3. 700V / 10 A Double Ended, MS
  4. 700V / 23 A High Current MS
  5. Type-C Subminiature
  6. USB 2.0 and 3.0 Instrumentation
  7. BNC
  8. MHV
  9. SHV
  10. Type - N
  11. SMA
  12. Microdot
  13. Between Series
  14. Miniature Connectors
  15. Screw Type Connectors
  16. MS Connectors
  17. Push-On Connectors
  18. TC Power
  19. Low Power 500 to 5000V DC / to 15 Amps
  20. Medium Power 2500 to 5000V DC / to 30 Amps
  21. Medium Power 10,000V DC/ to 30 Amps
  22. High Power 20,000 to 100,000 DC to 150 Amps
  23. High Power 3000 to 12,000V DC to 600 Amps
  24. Watered Cooled
  25. Power Connectivity
  26. Vacuum Breaks
  27. Type-D Subminiature
  28. SMB
  29. 8000 Volts DC, 10 Kw, 450 kHz
  30. 10,000 Volts DC, 20 & 35 kW, 13.56 MHz
  31. Crynogenic Breaks
  32. Liquid Breaks
Feedthrough Type
  1. Multipin
  2. Coaxial
  3. Thermocouple
  4. Power
  5. RF Power
  6. Liquid
  7. Breaks and Envelopes
In-Vacuum Accessories Type
  1. Platen Fork
  2. Platen Sample Holder
  3. Sample Mount Strips
  4. Dock Sample-Holder
  5. Rod Clamp 90
  6. Universal Ball Joint
  7. Specimen Holder
  8. Extension Rods
  9. Screws non-vented
  10. Sleeve Coupling
  11. Set Screw Collar
  12. Radial Ball Bearing
  13. Bearing Mount Radial
  14. Linear Ball Bearing
  15. Bearing Mount Linear
  16. Ground Stock
  17. Vented Screws
Nominal Tube Size
  1. 1/8
  2. 5/16
  3. 1/4
  4. 7/16
  5. 3/8
  6. 1 1/2
  7. 3/4
  8. 2 1/2
  9. 1/2
  10. 3
Port Size
  1. 1/4" (0.25 inches) 6.35mm
  2. 1/2" (0.50 inches) 12.7mm
  3. 5/8" (0.625 inches) 15.875mm
  4. 3/4" (0.75 inches) 19.05mm
  5. 1.00" (1.00 inches) 25.4mm
  6. 1-1/2" (1.50 inches) 38.1mm
  7. 2.00" (2.00 inches) 50.8mm
  8. 2-1/2" (2.50 inches) 63.5mm
  9. 3.00" (3.00 inches) 76.2mm
  10. 4.00" (4.00 inches) 101.6mm
  11. 5.00" (5.00 inches) 127mm
  12. 6.00" (6.00 inches) | 152.4mm
  13. 8.00" (8.00 inches) 203.2mm
  14. 10.00" (10.00 inches) 254mm
  15. 12.00" (12.00 inches) 304.8mm
Trap Size
  1. 2
  2. 4
  3. 6
  4. 8
Vacuum Series
  1. Ultra High Vacuum (UHV)
  2. High Vacuum (HV)
Viewport Type
  1. Calcium Fluoride (CaF2)
  2. Crystal Quartz (SiO2)
  3. Fused Silica (FS)
  4. Germanium (Ge)
  5. Glass
  6. Magnesium Fluoride (MgF2)
  7. Sapphire
  8. Zinc Selenide (ZnSe)
Voltage
  1. 500
  2. 1000
  3. 3000
  4. 10000
  5. 100kV
  6. 10kV
  7. 12kV
  8. 15kV
  9. 15000
  10. 20000
  11. 20kV
  12. 25
  13. 25kV
  14. 30000
  15. 30kV
  16. 3kV
  17. 40000
  18. 40kV
  19. 45kV
  20. 5kV
  21. 6000
  22. 60kV
  23. 700
  24. 7500
  25. 5000
  26. 8000
Wall Type
  1. Braided
  2. Unbraided
  3. Medium Wall - Braided
  4. Medium Wall - Unbraided
  5. Thin Wall - Unbraided
Flange Type
  1. ConFlat CF Flange
  2. ConFlat CF - Zero Length Reducer Flange
  3. ISO KF Kwik-Flange
  4. ISO LF Large-Flange
  5. ANSI ASA Flange
Flange Geometry
  1. Rotatable
  2. Non-Rotatable
Internal Diameter (ID)
  1. Blank
  2. 6.4mm | 1/4 Inch ID Nominal (0.252")
  3. 9.5mm | 3/8 Inch ID Nominal ID (0.377")
  4. 12.7mm | 1/2 Inch ID Nominal (0.502")
  5. 19.1mm | 3/4 Inch ID Nominal (0.625")
  6. 25.4mm | 1 Inch ID Nominal (1.010")
  7. 44.5mm | 1 3/4 Inch ID Nominal (1.760")
  8. 31.8mm | 1 1/4 Inch ID Nominal (1.255")
  9. 38.1mm | 1 1/2 Inch ID Nominal (1.510")
  10. 50.8mm | 2 inch ID Nominal (2.010")
  11. 63.5mm | 2 1/2 Inch ID Nominal (2.510")
  12. 63.5mm | 3 Inch ID Nominal (3.010")
  13. 101.6mm | 4 Inch ID Nominal (4.010")
  14. 127mm | 5 Inch ID Nominal (5.010")
  15. 152.4mm | 6 Inch ID Nominal (6.020")
  16. 203.2mm | 8 Inch ID Nominal (8.020")
  17. 254mm | 10 Inch ID Nominal (10.020")
  18. 273.1mm | 10 3/4 Inch ID Nominal (10.765")
  19. 304.8mm | 12 Inch ID Nominal (12.020")
  20. 355.6mm | 14 Inch ID Nominal (14.020")
Flange Size
  1. DN16CF 34mm | 1.33" (1 1/3") OD Mini CF
  2. DN25CF 54mm | 2.125" (2 1/8") OD
  3. DN40CF 70mm | 2.75" (2 3/4") OD
  4. DN50CF 86mm | 3.375" (3 3/8") OD
  5. DN63CF 114mm | 4.50" (4 1/2") OD
  6. DN75CF 117mm | 4.625 " (4 5/8") OD
  7. DN100CF 152mm | 6.00" OD
  8. DN125CF 172mm | 6.75" (6 3/4") OD
  9. DN160CF 203mm | 8.00" OD
  10. DN200CF 254mm | 10.00" OD
  11. DN250CF 304mm | 12.00" OD
  12. DN275CF 336mm | 13.25" (13 1/4") OD
  13. DN295CF 355mm | 14.00" OD
  14. DN350CF 419mm | 16.50" (16 1/2") OD
  15. NW16
  16. NW25
  17. NW40
  18. NW50
  19. NW63
  20. NW80
  21. NW100
  22. NW160
  23. NW200
  24. NW250
  25. NW320
  26. NW400
  27. NW500
  28. 1 Inch
  29. 1.5 Inch
  30. 2 Inch
  31. 3 Inch
  32. 4 Inch
  33. 6 Inch
  34. 10 Inch
  35. ASA6 - 7.88 Inch ID
  36. ASA4 - 4 Inch ID
  37. ASA3 - 3 Inch ID
  38. ASA2 - 2.5 Inch ID
  39. ASA12 - 11.50 Inch ID
  40. ASA10 - 10 Inch ID
  41. 12 Inch OD (DN 200)
  42. 14 Inch OD (DN 200)
  43. 16 Inch OD (DN 200)
  44. 18 Inch OD (DN 200)
Bolt Hole Type
  1. Tapped
  2. Clearance
  3. NPT Tapped
Material
  1. 6061-T6 Aluminum
  2. 300SS Stainless Steel
  3. 304SS (1.4301 | UNS S30400) Stainless Steel
  4. 316L (1.4404 | UNS31603) Stainless Steel
  5. 316LN (1.4429 | UNS S31653) Low-Carbon Nitrogen-Enhanced Stainless Steel
  6. 321SS (1.4541 | UNS S32100) Stainless Steel
  7. Fluorocarbon-based fluoroelastomer (FKM / FPM)
  8. Fluorocarbon-based fluoroelastomer (FKM / FPM) & Copper
  9. Oxygen-Free Electronic (OFE) Copper
  10. Polyvinyl Chloride (PVC)
Fastening Method
  1. Claw-Clamp
  2. Bolt
  3. Banded-Clamp
KF Flange Type
  1. Blank
  2. Unbored Stub
  3. Weld
  4. Socket Weld
ANSI ASA Flange Type
  1. Smooth Face
  2. O-Ring Groove
Also of Interest
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