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National Stock Number:
6650-01-082-3535
Federal Supply Class:
6650
National Item Identification Number:
010823535
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:
| 12266714 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | 12266755 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266755 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | 12266755 | 32865 | DRS NETWORK & IMAGING SYSTEMS LLC | | 12266755 | 98255 | DRS SUSTAINMENT SYSTEMS INC |
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Techincal Specification:
| BODY MINOR TAPER DIAMETER | 2.914 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 3.158 INCHES MAXIMUM | | BODY TAPER | 30.0 DEGREES NOMINAL | | OVERALL LENGTH | 0.535 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | SPACER-NO. 3,EYEPIECE; BLACK; 4 SLOTS 0.060 IN. WIDE BY 0.050 IN. DEEP; ESTABLISH LENGTH BY MEASURING SEPARATION BETWEEN REFERENCE SPHERE 9.403 IN. RADIUS FROM SURFACE A AND REFERENCE SPHERE 2.723 IN. RADIUS FROM SURFACE B (0.010 IN. DISTANCE BETWEEN REFERENCE SPHERES) | | STRAIGHT BODY PORTION WIDTH | 0.324 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | TAPER ANGLE | 12.1 DEGREES NOMINAL | | TAPER BORE MAJOR DIAMETER | 3.068 INCHES MAXIMUM | | TAPER BORE MINOR DIAMETER | 2.838 INCHES MAXIMUM |
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