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National Stock Number:
6675-00-684-1955
Federal Supply Class:
6675
National Item Identification Number:
006841955
Description:
THEODOLITE,SURVEYING
Detail:
A PRECISION TELESCOPIC INSTRUMENT USED IN TOPOGRAPHIC AND GEODETIC SURVEYING OR PRECISE ALIGNMENT OPERATIONS. GENERALLY, THE OPTICAL SYSTEMS FOR READING THE HORIZONTAL AND VERTICAL CIRCLES ARE FULLY INCLOSED. THE READING OF THE CIRCLES IS MADE THROUGH OPTICAL MICROMETERS. SOME OPTICAL SYSTEMS ARE SO DESIGNED THAT READINGS OF DIAMETRICALLY OPPOSITE POINTS OF THE CIRCLES ARE MECHANICALLY AVERAGED. THE INSTRUMENTS ARE LEVELED BY THREE LEVELING SCREWS. INTERNAL ILLUMINATION MAY BE PROVIDED FOR READING THE CIRCLES AND VIEWING THE RETICLE CROSSLINES. EXCLUDES TRANSIT AND TRANSIT, POCKET.
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Manufacturer Information:
| 258H9910139-1 | 38597 | LOCKHEED MARTIN CORPORATION | | MIL-T-14132 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DIAMETER MAGNIFYING POWER | 27.0 MINIMUM AND 33.0 MAXIMUM | | GRADUATION UNIT ON HORIZONTAL/VERTICAL CIRCLE | DEGREES | | MINIMUM GRADUATION | 1.000 DEGREES MICROMETER DRUM | | SIGHTING DEVICE TYPE | TELESCOPE | | TELESCOPE LENGTH | 5.900 INCHES NOMINAL | | TRIPOD | NOT INCLUDED | | UNIT TYPE | DIRECTIONAL |
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