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National Stock Number:
6650-00-007-4372
Federal Supply Class:
6650
National Item Identification Number:
000074372
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:
| 6800-430 | 11871 | RECON/OPTICAL, INC. | | 6800-430 | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.892 INCHES MAXIMUM | | OVERALL LENGTH | 0.186 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8,T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | STRAIGHT BORE INSIDE DIAMETER | 1.240 INCHES NOMINAL | | STYLE DESIGNATOR | SPACER |
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