6650-00-765-2798 RETICLE,OPTICAL INSTRUMENT Index 6650-00-853-3575 SPACER,OPTICAL ELEMENT

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.


Manufacturer Information:
13212E022427777L3 TECHNOLOGIES, INC.
SC-C-61461180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
BODY OUTSIDE DIAMETER1.567 INCHES MAXIMUM
FSC APPLICATION DATANIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION
OVERALL LENGTH0.148 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 6061
SPECIAL FEATURESINSIDE DIA OF 1.487 IN. PORM 0.001 IN.
SPECIAL TEST FEATURESINTERPRET DRAWING IAW STANDARDS PRESCRIBED BY MIL-D-1000
STRAIGHT BORE INSIDE DIAMETER1.486 INCHES MINIMUM AND 1.488 INCHES MAXIMUM
STYLE DESIGNATORSPACER


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