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National Stock Number:
1240-01-082-1730
Federal Supply Class:
1240
National Item Identification Number:
010821730
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:
| 12266783 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| DRIVE TYPE | SLOTTED FACE | | ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | INTERNAL THREAD | | CHAMFER LOCATION | LARGER DIAMETER END AND SMALLER DIAMETER END | | CHAMFER SIZE | 0.030 IN. BY 45 DEG; 0.060 IN. BY45 DEG | | OVERALL DIAMETER | 5.075 INCHES NOMINAL | | OVERALL LENGTH | 4.655 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | WATER-VAPOR BARRIER TREATED | | THREAD CLASS | 2B AND 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.460 INCHES AND 0.500 INCHES | | THREAD LOCATION | INTERNAL AND EXTERNAL | | THREAD SIZE | 4 13/16-32 AND 5 3/16-20 |
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