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National Stock Number:
6650-00-167-7896
Federal Supply Class:
6650
National Item Identification Number:
001677896
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:
| SC-C-635083 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.140 INCHES MAXIMUM | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | OVERALL LENGTH | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL TEST FEATURES | INTERPRET DRAWING IAW STANDARDS PRESCRIBED BY MIL-D-1000 | | STRAIGHT BORE INSIDE DIAMETER | 1.078 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER |
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