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National Stock Number:
6650-00-213-7065
Federal Supply Class:
6650
National Item Identification Number:
002137065
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:
| 11737318 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY DIAMETER | 1.926 INCHES MINIMUM AND 1.934 INCHES MAXIMUM | | BODY MINOR TAPER DIAMETER | 1.726 INCHES MAXIMUM | | BODY TAPER | 20.0 DEGREES NOMINAL | | FLANGE WIDTH | 0.060 INCHES NOMINAL | | FSC APPLICATION DATA | RECEIVER-TRANSMITTER,LASER | | OVERALL LENGTH | 0.340 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL CORROSION RESISTING | | STYLE DESIGNATOR | SPACER | | TAPER ANGLE | 20.0 DEGREES NOMINAL | | TAPER BORE MAJOR DIAMETER | 1.906 INCHES MAXIMUM |
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