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National Stock Number:
6650-01-082-3800
Federal Supply Class:
6650
National Item Identification Number:
010823800
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:
| 12266713 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12266713 | 20418 | DRS SUSTAINMENT SYSTEMS, INC. USE CAGE CODE 98255 FOR CATALOGING | | A1164C | 05584 | AUTODYNE MANUFACTURING CO INC |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.330 INCHES MAXIMUM | | OVERALL LENGTH | 0.1126 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | SPACER-NO. 1,NARROW ANGLE OBJECTIVE LENS; BLACK; ONE SLOT 0.060 IN. WIDE BY 0.030 IN. DEEP; 0.852 IN. TAPERED BORE IS 0.015 LONG; TAPERED BORE DIA IS ANGLED 38 DEG FROM LENGTH EDGE; ESTABLISH LENGTH BY MEASURING SEPARATION BETWEEN REFERENCE SPHERE 0.948 RADIUS AND ADJACENT SURFACE (REFERENCE RADIUS LOCATED 0.0115 IN. FROM ADJACENT EDGE) | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE | | TAPER BORE MINOR DIAMETER | 0.852 INCHES MAXIMUM |
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