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National Stock Number:
1270-01-181-8212
Federal Supply Class:
1270
National Item Identification Number:
011818212
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:
| 13075598 | 04939 | LOCKHEED MARTIN CORPORATION | | 13075598 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | ELEMENT SECURING METHOD | RETAINER RING | | CHAMFER LOCATION | SMALLER DIAMETER END | | CHAMFER SIZE | 0.100 IN. BY 45 DEG | | OVERALL LENGTH | 1.300 INCHES NOMINAL | | OVERALL DIAMETER | 2.099 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +1.9170 TO 1.9230 INCHES | | THREAD LENGTH | 0.260 INCHES | | THREAD SIZE | 1 15/16-32 |
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