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National Stock Number:
6650-01-082-8962
Federal Supply Class:
6650
National Item Identification Number:
010828962
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:
| 12266756 | 0RMF7 | BRIGHT LIGHTS USA, INC | | 12266756 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266756 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | 12266756 | 32865 | DRS NETWORK & IMAGING SYSTEMS LLC | | 12266756 | 98255 | DRS SUSTAINMENT SYSTEMS INC |
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Techincal Specification:
| BODY DIAMETER | 2.747 INCHES MINIMUM AND 2.748 INCHES MAXIMUM | | FLANGE WIDTH | 0.100 INCHES NOMINAL | | OVERALL LENGTH | 0.517 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | SPACER-NO. 4,EYEPIECE; BLACK; 4 SLOTS 0.060 IN. WIDE BY 0.050 IN. DEEP; EACH END CONTAINS 2 EQUALLY SPACED SLOTS; 45 DEG BETWEEN THE OPPOSITE END SLOTS; ESTABLISH LENGTH BY MEASURING SEPARATION BETWEEN REFERENCE SPHERE 1.275 IN. RADIUS AND SURFACE B (REFERENCE RADIUS LOCATED 0.065 IN. FROM EDGE B) | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | TAPER ANGLE | 30.0 DEGREES NOMINAL | | TAPER BORE MINOR DIAMETER | 2.140 INCHES MAXIMUM |
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