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National Stock Number:
6650-00-464-4788
Federal Supply Class:
6650
National Item Identification Number:
004644788
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:
| 8626450 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | | 8626450 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| END INTERNAL BEVEL ANGLE | 2.0 DEGREES NOMINAL | | FSC APPLICATION DATA | TELESCOPE,ELBOW | | OVERALL LENGTH | 0.181 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,0 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/8,0 FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 | | SERRATION WIDTH | 0.093 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.510 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER | | TAPER ANGLE | 2.0 DEGREES NOMINAL |
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