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National Stock Number: 6650-00-791-1637
Federal Supply Class: 6650
National Item Identification Number: 007911637
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:
13212E0224 | 27777 | L3 TECHNOLOGIES, INC. | SC-C-614611 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
BODY OUTSIDE DIAMETER | 1.567 INCHES MAXIMUM | FSC APPLICATION DATA | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION | OVERALL LENGTH | 0.148 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE | MATERIAL | ALUMINUM ALLOY 6061 | SPECIAL FEATURES | INSIDE DIA OF 1.487 IN. PORM 0.001 IN. | SPECIAL TEST FEATURES | INTERPRET DRAWING IAW STANDARDS PRESCRIBED BY MIL-D-1000 | STRAIGHT BORE INSIDE DIAMETER | 1.486 INCHES MINIMUM AND 1.488 INCHES MAXIMUM | STYLE DESIGNATOR | SPACER |
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