The Cutting Edge of Technology

QA is pleased to introduce our New 81 Steel Razor
Faced with the challenges of making contact through today’s problem processes more...

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The Next Generation of Hyperboloid Contacts

QA Technology is pleased to introduce our new integraMate ICO Series of hyperboloid contacts.
Ideal for high density, ultra reliable connectors used in mil/aerospace electronics, more...

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	075-40 Series Decreased Stroke Probe P/N 075-PR 40 - Example:075-PRP4009X Letter Material Average Resistance @ 250 mV P Nickel Silver/ID precious metal clad 18 milliohms G Nickel silver or phosphor bronze/OD gold plated 17 milliohms N Nickel silver/no finish 20 milliohms   Available Point Styles   03 34 43   06 44   08 53   09 61   13 71   24 81   28 41 94   Standard material is heat-treated BeCu/plated gold over nickel (see S option for steel plungers) Letter Spring Force Preload @ 2/3 Stroke Material Fatigue Life (Cycles @ Stroke) L Low 1.5 [43] 3.1 [88] Music Wire 1M min @ .167 [4.06] max S Standard 2.7 [77] 5.5 [159] Music Wire 1M min @ .167 [4.06] max H High 2.8 [79] 7.0 [198] Music Wire 1M min @ .167 [4.06] max X Extra High 2.7 [77] 10.1 [286] Music Wire 100K min @ .167 [4.24] max Letter Description (to select an option use right button to turn off option select left button) B Curved tube (pylon replacement) D Decreased stroke at .250 [6.35]. Must select from 075-25 series spring forces with this option. N No probe lubrication (Removing probe lubrication greatly reduces cycle life. Unlubricated probes are recommended only for low temperature applications) S Heat-treated steel/plated gold over nickel (see points for availability) No option required All specifications subject to change without notice. All dimensions are in inches [mm]. All spring forces in ounces [gms].