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National Stock Number:
1240-01-280-5498
Federal Supply Class:
1240
National Item Identification Number:
012805498
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:
| 3183224 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CHAMFER LOCATION | BOTH ENDS | | OVERALL LENGTH | 3.545 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | OVERALL DIAMETER | 0.812 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UN | | SPECIAL FEATURES | TELESCOPE DRAW TUBE | | THREAD CLASS | 3A AND 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | EXTERNAL AND INTERNAL | | THREAD PITCH DIAMETERS | +0.7742 TO 0.8125 INCHES AND +0.5910 TO 0.6250 INCHES | | THREAD LENGTH | 0.250 INCHES AND 0.432 INCHES | | THREAD SIZE | 13/16-32 AND 5/8-32 |
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