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National Stock Number:
1240-00-167-7945
Federal Supply Class:
1240
National Item Identification Number:
001677945
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:
| SC-D-635094-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CHAMFER LOCATION | INTERNAL THREAD END | | CHAMFER SIZE | 0.112 IN. BY 20 DEG | | OVERALL DIAMETER | 2.865 INCHES MINIMUM AND 2.875 INCHES MAXIMUM | | OVERALL LENGTH | 3.628 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNS | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 2B | | THREAD LOCATION | INTERNAL | | THREAD PITCH DIAMETERS | +2.7798 TO 2.7848 INCHES AND +0.7238 TO 0.7286 INCHES | | THREAD SIZE | 2 199/250-40 AND 37/50-40 |
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