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National Stock Number:
1240-01-127-1266
Federal Supply Class:
1240
National Item Identification Number:
011271266
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:
| 13040300 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13040300 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | DRIVE TYPE | SLOTTED FACE | | CHAMFER LOCATION | LARGER DIAMETER END | | CHAMFER SIZE | 1.830 IN. BY 90 DEG | | OVERALL DIAMETER | 2.188 INCHES NOMINAL | | OVERALL LENGTH | 0.850 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.050 INCHES | | THREAD LOCATION | EXTERNAL | | THREAD SIZE | 1 7/8-32 |
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