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National Stock Number:
6650-01-242-5607
Federal Supply Class:
6650
National Item Identification Number:
012425607
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:
| 42280-1 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| END INTERNAL BEVEL ANGLE | 30.0 DEGREES NOMINAL | | END INTERNAL BEVEL DIAMETER | 3.700 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.984 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | OVERALL LENGTH | 0.155 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER | | TAPER ANGLE | 82.3 DEGREES NOMINAL | | TAPER BORE MAJOR DIAMETER | 3.984 INCHES MAXIMUM | | TAPER BORE MINOR DIAMETER | 3.800 INCHES MAXIMUM |
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