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National Stock Number:
6650-00-127-3010
Federal Supply Class:
6650
National Item Identification Number:
001273010
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:
| 8619655 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.875 INCHES MAXIMUM | | OVERALL LENGTH | 0.121 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303SE FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303SE | | STRAIGHT BORE DEPTH | 0.053 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 0.656 INCHES NOMINAL | | TAPER BORE MINOR DIAMETER | 0.252 INCHES MAXIMUM |
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