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National Stock Number:
1240-00-197-1755
Federal Supply Class:
1240
National Item Identification Number:
001971755
Description:
CELL,OPTICAL ELEMENT
Detail:
A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.
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Manufacturer Information:
| 8289225 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| DRIVE TYPE | DRILLED FACE | | ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | THREADED RING | | CHAMFER LOCATION | BOTH ENDS | | CHAMFER SIZE | 1/32 IN. BY 45 DEG | | OVERALL DIAMETER | 1.811 INCHES NOMINAL | | OVERALL LENGTH | 1.900 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2A AND 2B | | THREAD LENGTH | 0.156 INCHES AND 0.187 INCHES | | THREAD LOCATION | EXTERNAL AND INTERNAL | | THREAD SIZE | 1-11/16 IN.-32 AND 1-21/32 IN.-32 |
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