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National Stock Number: 1240-00-768-8775
Federal Supply Class: 1240
National Item Identification Number: 007688775
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:
1240007688775 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | 7688775 | 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 | OPPOSITE DRIVE END AND DRIVE END | CHAMFER SIZE | 0.015 IN. BY 45 DEG; 0.020 IN. BY45 DEG | FSC APPLICATION DATA | PERISCOPE,TANK | OVERALL DIAMETER | 1.572 INCHES NOMINAL | OVERALL LENGTH | 1.441 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/3, T3 FED SPEC SINGLE MATERIAL RESPONSE | MATERIAL | ALUMINUM ALLOY 2011 | SCREW THREAD SERIES DESIGNATOR | UNS | SPECIAL FEATURES | CHAMFER 0.015 IN. BY 45 DEG ON BOTH ENDS OF 1.572 IN.-48 THREAD. INTERNAL FLANGE ON DRIVE END,0.060 IN. FLANGE THICKNESS,0.800 IN. HOLE DIA,30 DEG HOLE CHAMFER ANGLE,0.869 IN. HOLE CHAMFER DIA. | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1,CLASS 2,BLACK MIL SPEC SINGLE TREATMENT RESPONSE | SURFACE TREATMENT | ANODIZE | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LOCATION | EXTERNAL | THREAD LENGTH | 0.182 INCHES AND 0.791 INCHES | THREAD SIZE | 1.430 IN. -48 AND 1.572 IN. -48 |
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