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National Stock Number:
6675-01-032-4744
Federal Supply Class:
6675
National Item Identification Number:
010324744
Description:
BENCH MARK
Detail:
A METAL TABLET, USUALLY SET IN A CONCRETE BASE OR FASTENED TO A PERMANENT STRUCTURE OR BOULDER USED AS A REFERENCE POINT IN SURVEYING.
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Manufacturer Information:
| CFM-198A | 85611 | KEYES-DAVIS CO | | CFM-198A | 87994 | NATIONAL OCEAN SURVEY NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION |
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Techincal Specification:
| SPECIAL FEATURES | BRASS TUBING 0.5 IN. OD,0.375 IN. ID,3 IN. L,STEM TYPE | | SPECIAL MARKINGS | FOR INFORMATION OR TO REPORT DAMAGE WRITE AZIMUTH MARK; CENTRAL ARROW 1.125 IN. L,WITH 0.25 IN. CROSSBAR; THE DIRECTOR NATIONAL GEODETIC SURVEY WASHINGTON,D. C. | | MATERIAL | COPPER ALLOY | | DIAMETER | 3.625 INCHES |
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