One of these lock washers is shipped with the 18997 enclosure. Four 2143 lock washers are used with the 26376 screws to fasten the 26166 top plate of the 26120 Net Radiation Sensor Mounting Kit.
Two of these washers are shipped with the SR11 pyranometer. The associated fender washer is pn 6561, and the associated screw is pn 7313.
The 2143 may be purchased to replace a lost or damaged lock washer.
Diameter | 0.81 cm (0.32 in.) |
Weight | 4.54 g (0.01 lb) |
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