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National Stock Number: 6650-00-937-2172
Federal Supply Class: 6650
National Item Identification Number: 009372172
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:
SCD607216 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
BODY TAPER | 30.0 DEGREES NOMINAL | FSC APPLICATION DATA | DETECTING SETS,INFRARED,NONCOMMUNICATION | OVERALL LENGTH | 0.464 INCHES NOMINAL | MATERIAL | PLASTIC ACETAL | SPECIAL FEATURES | FOUR 0.060 IN. W SLOTS SPACED 90 DEG APART | STRAIGHT BODY PORTION WIDTH | 0.100 INCHES NOMINAL | STYLE DESIGNATOR | SPACER |
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