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National Stock Number:
6650-01-081-5693
Federal Supply Class:
6650
National Item Identification Number:
010815693
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:
| 11780081 | 19200 | US ARMY ARDEC RDECOM | | 42461-1 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 4.245 INCHES MAXIMUM | | FLANGE WIDTH | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | OVERALL LENGTH | 0.413 INCHES MINIMUM AND 0.423 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY | | SPECIAL FEATURES | HAS 12 SLOTS EQUALLY SPACED AT 0.156 IN. DEEP | | STYLE DESIGNATOR | SPACER | | TAPER BORE MAJOR DIAMETER | 4.045 INCHES MAXIMUM | | TAPER BORE MINOR DIAMETER | 3.965 INCHES MAXIMUM |
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