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National Stock Number:
1240-00-989-3555
Federal Supply Class:
1240
National Item Identification Number:
009893555
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:
| 8619883 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8619883 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CHAMFER LOCATION | LARGER DIAMETER END | | CHAMFER SIZE | 0.038 IN. BY 30 DEG | | FSC APPLICATION DATA | PERISCOPE,XM36 | | OVERALL DIAMETER | 1.815 INCHES NOMINAL | | OVERALL LENGTH | 1.884 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 3A AND 2B | | THREAD LENGTH | 0.250 INCHES AND 0.086 INCHES | | THREAD LOCATION | INTERNAL | | THREAD SIZE | 1-23/32 - 32 AND 1-21/32 - 32 |
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