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National Stock Number:
6650-00-996-7305
Federal Supply Class:
6650
National Item Identification Number:
009967305
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:
| 8620175 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.688 INCHES MAXIMUM | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | STRAIGHT BODY PORTION WIDTH | 0.250 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.344 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER |
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