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National Stock Number: 1270-01-171-8376
Federal Supply Class: 1270
National Item Identification Number: 011718376
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:
13075281 | 04939 | LOCKHEED MARTIN CORPORATION | 13075281 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
ECCENTRIC CONSTRUCTION | NOT PROVIDED | CHAMFER LOCATION | THREADED END | CHAMFER SIZE | 0.030 IN. BY 45 DEG | OVERALL DIAMETER | 4.700 INCHES NOMINAL | OVERALL LENGTH | 4.610 INCHES NOMINAL | MATERIAL | ALUMINUM ALLOY | SCREW THREAD SERIES DESIGNATOR | UNS | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 2A | THREAD LOCATION | EXTERNAL | THREAD PITCH DIAMETERS | +4.7102 TO 4.7486 INCHES | THREAD SIZE | 4 3/4-32 |
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