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National Stock Number:
5220-01-094-4673
Federal Supply Class:
5220
National Item Identification Number:
010944673
Description:
LEVEL,PRECISION,MASTER
Detail:
A PRECISELY CALIBRATED INSTRUMENT USED AS A MASTER REFERENCE STANDARD TO ESTABLISH AN ABSOLUTE HORIZONTAL PLANE. THE METAL BASE IS SEASONED AND HEAT TREATED OR OTHERWISE SPECIALLY TREATED TO INSURE MAXIMUM STABILITY, AND IS ACCURATELY MACHINED AND SCRAPED TO THE TRUE PLANE ON THE CONTACT SURFACE. THE TOP PLATE IS OF NONCONDUCTIVE HEAT INSULATING MATERIAL. IT HAS A VERY SENSITIVE VIAL GRADUATED TO INDICATE A VARIATION OF 0.0005 INCH (0.0127 MM) PER FOOT (0.3048 M) IN A HORIZONTAL PLANE. IT MAY HAVE A CROSS LEVEL VIAL TO ASSIST IN SETTING THE TRUE HORIZONTAL BY SHOWING POSITION LATERALLY.
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Manufacturer Information:
| 2117276-001 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | 599-3000-8 | 09058 | BNS HOLDING INC. DBA BNS CO DIV PRECISION MEASURING INSTRUMENTS TESA USA |
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Techincal Specification:
| ADJUSTABILITY | NONADJUSTABLE | | DESIGN TYPE | DOUBLE FACE | | FEATURES PROVIDED | VIAL GRADUATIONS MARKING BUBBLE | | OVERALL OUTSIDE DIMENSIONS | 7.850 IN. LG. BY 1.650 IN.HIGH | | MATERIAL | STEEL | | UNIT PACKAGE QUANTITY | 1 | | VIAL ARRANGEMENT | SINGLE BUBBLE | | VIAL GRADUATION VALUE | 0.0004 IN. PER 10.000 IN. | | VIAL QUANTITY | 1 BUBBLE | | VIAL SURFACE FINISH | GROUND BUBBLE | | VIAL TYPE | BUBBLE |
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