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National Stock Number:
1240-00-382-0879
Federal Supply Class:
1240
National Item Identification Number:
003820879
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:
| 217467PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ELEMENT SECURING METHOD | INTERNAL THREADINTERNAL THREAD | | CHAMFER LOCATION | THREADED ENDTHREADED END | | OVERALL DIAMETER | 1.750 INCHES NOMINAL1.750 INCHES NOMINAL | | OVERALL LENGTH | 3.100 INCHES NOMINAL3.100 INCHES NOMINAL | | MATERIAL | COPPER ALLOYCOPPER ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNSUNS | | THREAD CLASS | 3A AND 3A AND 3B3B | | THREAD DIRECTION | RIGHT-HANDRIGHT-HAND | | THREAD LENGTH | 2.450 INCHES AND 2.450 INCHES AND 0.280 INCHES0.280 INCHES | | THREAD LOCATION | EXTERNAL AND EXTERNAL AND INTERNALINTERNAL | | THREAD PITCH DIAMETERS | +1.7117 TO 1.7297 INCHES AND +1.7117 TO 1.7297 INCHES AND +1.4662 TO 1.4747 INCHES+1.4662 TO 1.4747 INCHES | | THREAD SIZE | 1 3/4-32 AND 1 3/4-32 AND 1 1/2-321 1/2-32 |
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