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National Stock Number:
6650-01-228-5085
Federal Supply Class:
6650
National Item Identification Number:
012285085
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:
| 69-66750-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| BODY MINOR TAPER DIAMETER | 0.310 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.500 INCHES MAXIMUM | | BODY TAPER | 50.0 DEGREES NOMINAL | | FSC APPLICATION DATA | OPTICAL SIGHTING AND RANGING EQUIPMENT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9 FED SPEC 2ND MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 0.560 INCHES NOMINAL | | STRAIGHT BORE INSIDE DIAMETER | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM | | STYLE DESIGNATOR | SPACER |
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