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National Stock Number:
6650-01-582-4005
Federal Supply Class:
6650
National Item Identification Number:
015824005
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:
| 4973980-0001 | 96214 | RAYTHEON COMPANY | | 4973980-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER,LENS NO.2 | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | SPACER FOR LENS NUMBER 2 OF THE INFRARED (IR) WIDE FIELD OF VISION (WFOV) ASSEMBLY USED ON THE TARGETING SYSTEM OF MH60S/R |
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