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National Stock Number:
1270-01-171-6930
Federal Supply Class:
1270
National Item Identification Number:
011716930
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:
| 13074770 | 04939 | LOCKHEED MARTIN CORPORATION | | 13074770 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OR | | ALUMINUM ALLOY 6062 | | THREAD LOCATION | EXTERNAL AND | | INTERNAL | | THREAD SIZE | 1 1/16-40 AND | | 15/16-40 | | SCREW THREAD SERIES DESIGNATOR | UNS | | THREAD CLASS | 2A AND | | 2B | | THREAD PITCH DIAMETERS | 1.0417 TO 1.0452 INCHES AND | | 0.9213 TO 0.9258 INCHES | | THREAD LENGTH | 0.250 INCHES AND | | 0.195 INCHES | | THREAD DIRECTION | RIGHT-HAND | | ECCENTRIC CONSTRUCTION | NOT PROVIDED | | CHAMFER LOCATION | BOTH ENDS | | CHAMFER SIZE | 0.020 IN.BY 45 DEG | | DRIVE TYPE | SLOTTED FACE | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | OVERALL DIAMETER | 1.062 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 04939 | | DESIGN CONTROL REFERENCE | 13074770 |
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