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National Stock Number:
1240-01-257-9643
Federal Supply Class:
1240
National Item Identification Number:
012579643
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:
| 350311 | 22915 | NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | INTERNAL THREAD | | CHAMFER LOCATION | BOTH ENDS | | CHAMFER SIZE | 0.010 IN. BY 15 DEG | | MATERIAL | STEEL | | OVERALL DIAMETER | 1.248 INCHES NOMINAL | | OVERALL LENGTH | 0.140 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNF | | THREAD CLASS | 1B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 000-120 |
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