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National Stock Number:
6675-00-514-5484
Federal Supply Class:
6675
National Item Identification Number:
005145484
Description:
TRANSIT
Detail:
AN INSTRUMENT HAVING TWO COAXIAL CENTERS, ONE INSIDE THE OTHER. A TELESCOPE IS ATTACHED TO THE INNER CENTER AND MOUNTED IN SUCH A MANNER THAT IT MAY BE ROTATED IN VERTICAL OR HORIZONTAL ARCS. THE OUTER CENTER CARRIES THE HORIZONTAL SCALE. THE TELESCOPE AND HORIZONTAL CIRCULAR SCALE MAY ROTATE ABOUT THE SAME AXIS, INDEPENDENT OF EACH OTHER, OR INTEGRALLY, AS A SINGLE UNIT. THE SCALES ARE READ VISUALLY BY MEANS OF VERNIERS. THE INSTRUMENT IS USUALLY LEVELED BY MEANS OF FOUR LEVELING SCREWS. IT IS USED FOR MEASURING HORIZONTAL, OR HORIZONTAL AND VERTICAL ANGLES. EXCLUDES TRANSIT, POCKET.
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Manufacturer Information:
| 182 | 26612 | GURLEY PRECISION INSTRUMENTS INC | | GGT621 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| ACCESSORY COMPONENTS AND QUANTITY | BOOK,INSTRUCTION 1,BRUSH,LENS 1,CAP,OBJECTIVE 1,COVER,WATERPROOF 1,EYEPIECE,PRISM,DARK 1,GLASS,MAGNIFYING,3.500 DIA 1,LUBRICANT,0.250 OZ TUBE 1,PINS,ADJUSTING 2,PLUMB BOB,16 OZ W/CORD AND ADJUSTOR 1,REFLECTOR,CROSS HAIR 1,SCREWDRIVER 1,VIAL,LEVEL,PLATE 2,VIAL,LEVEL,TELESCOPE 1,AS REQUIRED FOR FIELD STRIPPING WRENCHES | | AUXILIARY TELESCOPE | NOT INCLUDED | | CARRYING CASE | PROVIDED | | COMPASS | INCLUDED | | DEPARTURE FROM CITED DOCUMENT | ONE | | DIAMETER MAGNIFYING POWER | 22.0 NOMINAL | | FOCUSING TYPE | INTERNAL | | HORIZONTAL CIRCLE MINIMUM GRADUATION UNIT | 30.0 MINUTES | | HORIZONTAL CIRCLE VERNIER GRADUATION UNIT | 1.0 MINUTES | | HORIZONTAL CIRCLE DIAMETER | 5.656 INCHES NOMINAL | | HORIZONTAL CIRCLE VERNIER QUANTITY | 2 | | ILLUMINATED FEATURE | NOT INCLUDED | | LEG TYPE | EXTENSION | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND B CLASS | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | PACS,BCTD,AMYJ AND BCFM | | SIGHTING DEVICE TYPE | TELESCOPE | | TELESCOPE LENGTH | 11.000 INCHES NOMINAL | | TELESCOPE LEVEL VIAL | INCLUDED | | TELESCOPE TYPE | ERECTING | | TRIPOD | INCLUDED | | VERTICAL CIRCLE MINIMUM GRADUATION UNIT | 30.0 MINUTES | | VERTICAL CIRCLE MINIMUM VERNIER GRADUATION UNIT | 1.0 MINUTES | | VERTICAL CIRCLE STADIA ARC GRADUATION | NOT INCLUDED | | VERTICAL CIRCLE | INCLUDED |
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