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National Stock Number:
6650-01-076-6685
Federal Supply Class:
6650
National Item Identification Number:
010766685
Description:
SPACER,OPTICAL ELEMENT
Detail:
A TUBULAR SHAPED ITEM DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN OPTICAL ELEMENTS, SUCH AS LENSES, RETICLES, AND THE LIKE. THE BORE MAY BE STRAIGHT, TAPERED OR COUNTERBORED, AND MAY HAVE ANNULAR SERRATIONS TO CONVERGE OR DIVERGE LIGHT RAYS. THE SURFACES, WHICH MATE WITH THE OPTICS, ARE USUALLY CHAMFERED, CONCAVE, AND/OR HAVE A SPECIFIED FINISH DESIGNATION IN THE RANGE OF 1 TO 125 MICROINCHES ARITHMETICAL AVERAGE (AA). SEE ALSO SPACER, SLEEVE AND CELL, OPTICAL ELEMENT.
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Manufacturer Information:
| 11780082 | 19200 | US ARMY ARDEC RDECOM | | 42471-1 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| FLANGE WIDTH | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | | OVERALL LENGTH | 0.071 INCHES MINIMUM AND 0.081 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SMALLER FLANGE WIDTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
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