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National Stock Number:
6650-00-167-7706
Federal Supply Class:
6650
National Item Identification Number:
001677706
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:
| 1122112 | 12705 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I | | 1122112 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | SC-B-635067 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 2.150 INCHES MAXIMUM | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT | | OVERALL LENGTH | 0.020 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER |
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