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National Stock Number:
6650-00-005-7199
Federal Supply Class:
6650
National Item Identification Number:
000057199
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:
| 6800-531-2 | 11871 | RECON/OPTICAL, INC. | | 6800-531-2 | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.893 INCHES MAXIMUM | | FSC APPLICATION DATA | LENES,CAMERA,AERIAL MAPPING | | OVERALL LENGTH | 0.548 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY | | STRAIGHT BORE INSIDE DIAMETER | 1.812 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER |
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