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National Stock Number: 1240-00-613-8149
Federal Supply Class: 1240
National Item Identification Number: 006138149
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:
6138149 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
ECCENTRIC CONSTRUCTION | NOT PROVIDED | DRIVE TYPE | KNURL | CHAMFER LOCATION | DRIVE END | CHAMFER SIZE | 0.031 IN. BY 45 DEG | OVERALL DIAMETER | 0.875 INCHES NOMINAL | OVERALL HEIGHT | 2.125 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-13492-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE | MATERIAL | COPPER ALLOY 330 | SCREW THREAD SERIES DESIGNATOR | UNS | THREAD CLASS | 3A AND 3B | THREAD LENGTH | 0.160 INCHES AND 1.000 INCHES | THREAD LOCATION | INTERNAL AND EXTERNAL | THREAD SIZE | 3/4 -36 AND 13/16 -36 |
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