6650-00-503-7652 SPACER,OPTICAL ELEMENT Index 6650-00-763-1282 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-00-531-7065

Federal Supply Class:
6650

National Item Identification Number:
005317065

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:
531706519200US ARMY ARDEC RDECOM
531706521530SPENCER INDUSTRIES INC
531706526110HELIX, INC.
531706566524ADAPTIVE TECHNOLOGIES INC
FRE53170652S308FREEHOLD MANUFACTURING ASSEMBLY COMPANY, INC.


Techincal Specification:
OVERALL LENGTH0.477 INCHES MINIMUM AND 0.487 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/3,T3 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
STRAIGHT BORE DEPTH0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM
STYLE DESIGNATORSPACER
TAPER ANGLE17.4 DEGREES NOMINAL


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