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National Stock Number:
6650-01-081-9749
Federal Supply Class:
6650
National Item Identification Number:
010819749
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:
| 014381 | K6111 | QIOPTIQ LIMITED |
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Techincal Specification:
| FLANGE WIDTH | 0.120 INCHES NOMINAL | | FSC APPLICATION DATA | PRISM AND FILTER ASSY,P/N 019708,1270010800263 | | OVERALL LENGTH | 1.815 INCHES NOMINAL | | SPECIAL FEATURES | FLANGE PARALLEL ALONG LONGITUDAL AXIS W/THREE 2-56 UNC-2B HOLES; 4 HOLES 2 EA END 2-56 UNC-2B POSITIONED ON A 0.780 DIA | | STRAIGHT BORE DEPTH | 1.815 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 0.500 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER |
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