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National Stock Number:
1240-01-113-0874
Federal Supply Class:
1240
National Item Identification Number:
011130874
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:
| 12293857 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 12293857 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12293857 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | THREADED RING | | CHAMFER LOCATION | SMALLER DIAMETER END | | CHAMFER SIZE | 0.040 IN. BY 45 DEG | | OVERALL LENGTH | 3.000 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 356.0 | | OVERALL DIAMETER | 3.010 INCHES MINIMUM AND 3.020 INCHES MAXIMUM | | SCREW THREAD SERIES DESIGNATOR | UNS AND SPECIAL | | SURFACE TREATMENT | PLASTIC FLUORINATED ETHYLENE PROPYLENE | | THREAD CLASS | 2B AND 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | INTERNAL AND EXTERNAL | | THREAD LENGTH | 0.350 INCHES AND 0.750 INCHES AND 0.252 INCHES | | THREAD SIZE | 2.8125-32 AND 3.0800-16 AND 2.875-40 |
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