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National Stock Number:
6675-01-031-7253
Federal Supply Class:
6675
National Item Identification Number:
010317253
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-197A | 85611 | KEYES-DAVIS CO | | CFM-197A | 87994 | NATIONAL OCEAN SURVEY NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | SPECIAL FEATURES | 0.75 IN. OD MTG TUBING,0.5625 IN. ID,2 IN. L | | DIAMETER | 3.625 INCHES | | SPECIAL MARKINGS | FOR INFORMATION OR TO REPORT DAMAGE WRITE THE DIRECTOR NATIONAL GEODETIC SURVEY WASHINGTON,D. C.; AZIMUTH MARK; CENTRAL ARROW 1.125 IN. L WITH 0.25 IN. CROSSBAR |
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