Part Number
Definition:
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.
CAGE Information
Code | Company |
---|---|
74067 | KEUFFEL AND ESSER CO |
Federal Supply Class
Title
DRAFTING, SURVEYING, AND MAPPING
Inclusions:
INCLUDES DRAWING INSTRUMENTS, DRAFTING TOOLS; ENGINEERING AND ARCHITECTURAL SCALES; LEVELS; TRANSITS; PHOTOGRAMMETRIC INSTRUMENTS; ASTROLABES; LEVEL RODS; PLANE TABLES; SURVEYING ALTIMETERS; THEODOLITES.
Exclusions:
EXCLUDES SURVEYORS' TAPES.
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AMYJ | TRIPOD | INCLUDED |
BCGY | SIGHTING DEVICE TYPE | TELESCOPE |
BCFM | LEG TYPE | EXTENSION OR FIXED |
FEAT | SPECIAL FEATURES | 26 FT FIELD OF VIEW AT 1000 FT,MIN FOCUS 4.8 FT,CARRYING CASE 8 IN. BY 13 IN. |
BCTF | DIAMETER MAGNIFYING POWER | 30.0 NOMINAL |
BCTD | FOCUSING TYPE | INTERNAL |
APQB | UNIT TYPE | TELESCOPING |
BCTJ | EFFECTIVE APERTURE SIZE | 1.750 INCHES NOMINAL |
ABHP | OVERALL LENGTH | 10.000 INCHES NOMINAL |
BDBX | MINIMUM GRADUATION | 1.0 SECONDS MICROMETER DRUM |
BDCF | OPTICAL PLUMB | INCLUDED |
BCTB | TELESCOPE TYPE | INVERTING |
BDCD | HORIZONTAL BASE AUTOMATIC CENTERING DEVICE | INCLUDED |
BCTK | AUXILIARY TELESCOPE | NOT INCLUDED |
BDCG | CIRCULAR LEVEL | INCLUDED |
BCTC | TELESCOPE LENGTH | 7.000 INCHES NOMINAL |