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		                        | National Stock Number:
 1240-01-111-5852
 
 Federal Supply Class:
 1240
 
 National Item Identification Number:
 011115852
 
 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:
 
 | 8200983 | 19200 | US ARMY ARDEC RDECOM | 
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 Techincal Specification:
 
 | CHAMFER LOCATION | THREADED END |  | CHAMFER SIZE | 0.015 IN. X 45 DEG |  | ECCENTRIC CONSTRUCTION | NOT PROVIDED |  | ELEMENT SECURING METHOD | THREADED RING |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, ALLOY 2024, T4 FED SPEC 1ST MATERIAL RESPONSE AND DD-G-451, TYPE 1, SILVERING QUALITY FED SPEC 1ST MATERIAL RESPONSE |  | MATERIAL | ALUMINUM ALLOY 2024 AND GLASS |  | SCREW THREAD SERIES DESIGNATOR | UN |  | SURFACE TREATMENT | ANODIZE |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.187 INCHES |  | THREAD LOCATION | INTERNAL |  | THREAD PITCH DIAMETERS | +0.5422 TO 0.5467 INCHES |  | THREAD SIZE | 9/16-32 | 
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