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National Stock Number:
6650-00-531-7071
Federal Supply Class:
6650
National Item Identification Number:
005317071
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:
| 5317071 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.575 INCHES MAXIMUM | | INTERNAL SHOULDER THICKNESS | 0.286 INCHES NOMINAL | | INTERNAL SHOULDER DIAMETER | 1.125 INCHES NOMINAL | | OVERALL LENGTH | 1.186 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3,T3,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SPECIAL FEATURES | KNURL AROUND OUTSIDE WITH A DIA OF 1.605 INCH BY 0.375 INCH WIDE; 1 END THREADED 1.125-20UNS-2B; 1 HOLE 0.089 INCH DIA CSK 82 DEG TO A DIA OF 0.156 INCH | | STRAIGHT BORE DEPTH | 0.900 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 1.445 INCHES NOMINAL |
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