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National Stock Number:
5210-00-496-3038
Federal Supply Class:
5210
National Item Identification Number:
004963038
Description:
LEVEL,CROSS TEST
Detail:
AN INSTRUMENT USED TO ESTABLISH SIMULTANEOUSLY TWO HORIZONTAL PLANES AT RIGHT ANGLES. IT CONSISTS OF A BODY IN THE SHAPE OF A SQUARE, WITH A LEVEL VIAL ON BOTH BEAM AND BLADE.
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Manufacturer Information:
| 71-3205 | 66796 | BRUNSON INSTRUMENT COMPANY |
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Techincal Specification:
| SPECIAL FEATURES | LEVEL,TELESCOPE CALIBRATION;CROSS LEVEL - THIS LEVEL ESTABLISHES THE RETICLE CROSSLINES OF THE ALIGNMENT TELESCOPES AND ALIGNMENT COLLIMATORS VERTICALLY AND HORIZONTALLY;THIS IS POSITIONED BY MEANS OF A STUD FITTING INTO A HOLE IN THE BARREL OF THE INSTRUMENT TUBE;WHEN THE LEVEL BUBBLE IS CENTERED, THE CROSSLINES OF THE INSTRUMENT WILL BE VERTICAL AND HORIZONTAL;LEVEL VIAL HAS SENSITIVITY OF 90 SECONDS OF ARC PER 2MM MOVEMENT;WEIGHT 1/4 LB. APPROX |
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