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National Stock Number:
6650-01-084-5537
Federal Supply Class:
6650
National Item Identification Number:
010845537
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:
| 12266976 | 0RMF7 | BRIGHT LIGHTS USA, INC | | 12266976 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| OVERALL LENGTH | 0.340 INCHES MINIMUM AND 0.342 INCHES MAXIMUM | | MATERIAL | ALUMINUM | | STRAIGHT BORE DEPTH | 0.020 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.450 INCHES MINIMUM AND 1.453 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER | | TAPER ANGLE | 45.0 DEGREES NOMINAL |
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