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National Stock Number:
6650-01-165-2173
Federal Supply Class:
6650
National Item Identification Number:
011652173
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:
| SM-C-850424 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| END INTERNAL BEVEL DIAMETER | 1.190 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.377 INCHES MAXIMUM | | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | | OVERALL LENGTH | 0.104 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL TEST FEATURES | CONFORMS TO MIL-STD-130 | | STYLE DESIGNATOR | SPACER | | TAPER BORE MAJOR DIAMETER | 1.243 INCHES MAXIMUM |
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