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National Stock Number:
1270-01-171-6929
Federal Supply Class:
1270
National Item Identification Number:
011716929
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:
| 13074717 | 04939 | LOCKHEED MARTIN CORPORATION | | 13074717 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| CHAMFER LOCATION | SMALLER DIAMETER END | | CHAMFER SIZE | 0.020 IN.BY 45 DEG | | ECCENTRIC CONSTRUCTION | NOT PROVIDED | | MATERIAL | ALUMINUM ALLOY 6061 | | OVERALL DIAMETER | 2.425 INCHES NOMINAL | | OVERALL LENGTH | 0.808 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.241 INCHES AND 0.153 INCHES | | THREAD LOCATION | EXTERNAL | | THREAD PITCH DIAMETERS | +1.9788 TO 1.9827 INCHES AND +2.4486 TO 2.4526 INCHES | | THREAD SIZE | 2.000-40 AND 2.470-40 |
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