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National Stock Number:
6650-00-925-6875
Federal Supply Class:
6650
National Item Identification Number:
009256875
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:
| 10121270 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 10121270 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FSC APPLICATION DATA | GUIDED MISSILE MAINTENANCE EQUIPMENT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SPECIAL FEATURES | END TAPERED AT 45 DEGREES |
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