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National Stock Number:
6650-01-082-3574
Federal Supply Class:
6650
National Item Identification Number:
010823574
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:
| 12266716 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266716 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 2.6265 INCHES MAXIMUM | | OVERALL LENGTH | 0.7842 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SERRATION WIDTH | 0.730 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 2.447 INCHES MINIMUM AND 2.457 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER |
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