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National Stock Number:
6650-01-286-9116
Federal Supply Class:
6650
National Item Identification Number:
012869116
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:
| 5525860 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | OVERALL DIAMETER | 2.987 INCHES NOMINAL | | OVERALL LENGTH | 4.200 INCHES NOMINAL | | SCREW THREAD SERIES DESIGNATOR | UNS | | SPECIAL FEATURES | 32,63,125,500,1000 MICROINCH SURFACE FINISH AS REQUIRED | | THREAD CLASS | 3A AND 3B | | THREAD LENGTH | 0.060 INCHES AND 0.500 INCHES | | THREAD LOCATION | EXTERNAL AND INTERNAL | | THREAD PITCH DIAMETERS | +1.5422 TO 1.5455 INCHES AND +1.5805 TO 1.5844 INCHES | | THREAD SIZE | 1 9/16-32 AND 1 11/16-16 |
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