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National Stock Number:
6650-01-134-8933
Federal Supply Class:
6650
National Item Identification Number:
011348933
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:
| 12309690 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12309690 | 34228 | L3 TECHNOLOGIES, INC. | | 12309690 | 50242 | ORION INSTRUMENT & TOOL MFG CORP | | 12309690 | 1N108 | B & B PRECISION COMPONENTS INC. |
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Techincal Specification:
| END INTERNAL BEVEL ANGLE | 45.0 DEGREES NOMINAL | | BODY OUTSIDE DIAMETER | 1.5750 INCHES MAXIMUM | | OVERALL LENGTH | 0.3810 INCHES MINIMUM AND 0.3830 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SERRATION WIDTH | 0.1200 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.5080 INCHES MINIMUM AND 1.5110 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER |
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