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National Stock Number:
6650-01-213-1231
Federal Supply Class:
6650
National Item Identification Number:
012131231
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:
| 8587386 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.999 INCHES MAXIMUM | | OVERALL LENGTH | 0.285 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | WW-T-700/3,T3,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | SPECIAL FEATURES | 4 HOLES 0.590 IN. 90 DEG APART,0.854 IN. SPHER R.BASIC,SAW SLOT 0.130 IN. WIDE,0.015 IN. DEEP | | STRAIGHT BORE INSIDE DIAMETER | 0.993 INCHES NOMINAL |
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