NSN 6660-00-434-4777
Part Details | METEOROLOGICAL THEODOLITE
6660-00-434-4777 A telescopic instrument used in determination of wind direction and speed by optical tracking of free moving balloons. Two telescopes are generally provided, one for finding the object and the other for tracking. Sighting through the scopes is by means of right angle eyepieces. Vernier scales are used for fine reading of the horizontal and vertical circles. Some instruments are designed with auxiliary devices for plotting the observed positions at the time of observations. Illumination may be provided for observations at night. Excludes TRANSIT and TRANSIT, POCKET.
Alternate Parts: 6061500, 6061-500, 6061500, 6061-500, 6660-00-434-4777, 00-434-4777, 6660004344777, 004344777
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1960 | 00-434-4777 | 18487 ( THEODOLITE, METEOROLOGICAL ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6660-00-434-4777
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6061-500 | 65263 | REALIST INCDAVID WHITE INSTRUMENT DIV |
| 6061-500 | 63848 | WARREN INDUSTRIES, INCORPORATEDDBA WARREN KNIGHT INSTRUMENT CO |
Technical Data | NSN 6660-00-434-4777
| Characteristic | Specifications |
|---|---|
| UNIT TYPE | DIRECTIONAL |
| SIGHTING DEVICE TYPE | TELESCOPE |
| DIAMETER MAGNIFYING POWER | 1.7 NOMINAL |
| ILLUMINATED FEATURE | INCLUDED |
| TRIPOD | NOT INCLUDED |
| GRADUATION UNIT ON HORIZONTAL/VERTICAL CIRCLE | DEGREES |
| MINIMUM GRADUATION | 6.0 SECONDS MICROMETER DRUM |
| AUTOCOLLIMATION EYEPIECE | NOT INCLUDED |
| DOUBLE CENTER | PROVIDED |
| HORIZONTAL BASE DETACHABLE TRIBRACH | NOT INCLUDED |
| HORIZONTAL BASE AUTOMATIC CENTERING DEVICE | NOT INCLUDED |
| OPTICAL PLUMB | NOT INCLUDED |
| CIRCULAR LEVEL | NOT INCLUDED |
| PLOTTING DEVICE | INCLUDED |
| ACCESSORY COMPONENTS AND QUANTITY | BAG,CANVAS,1; LAMP,LM19,3; OIL CONTAINER,1; PINS,CAPSTAN,1; PLATE,MTG,1; SCREWDRIVER,TL22,1; SUNSHADE,1; WRENCH,SPANNER,1 |