The U.S. Air Force Thunderbirds arrive for the Joint Base Andrews Airshow at Joint Base Andrews in Prince George's County, Maryland, on September 10, 2025.
Austin DeSisto/NurPhoto via Getty Images
By
John Breeden II
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How NIST’s torque tool could help keep air force jets flying
With roots in an unlikely Lego experiment from years ago, a new self-calibrating device developed with the Air Force and Snap-on could make torque calibration faster, more precise and easier to sustain.
TL;DRAI
NIST and Air Force developed ENTR, a self-calibrating torque device with 0.1% accuracy, eliminating costly offsite calibration for military wrenches. On-site measurement ensures aircraft fasteners meet exact specs for mission reliability, cutting maintenance costs and downtime.
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