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National Stock Number:
6650-00-518-5459
Federal Supply Class:
6650
National Item Identification Number:
005185459
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:
| 5185459 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY TAPER | 30.5 DEGREES MINIMUM | | OVERALL LENGTH | 0.801 INCHES MINIMUM AND 0.806 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2017 | | SPECIAL FEATURES | BLACK | | STRAIGHT BODY PORTION WIDTH | 0.593 INCHES NOMINAL | | STRAIGHT BORE DEPTH | 0.578 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | TAPER ANGLE | 30.5 DEGREES NOMINAL | | TAPER BORE MAJOR DIAMETER | 0.650 INCHES MINIMUM |
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