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National Stock Number:
6650-00-904-9463
Federal Supply Class:
6650
National Item Identification Number:
009049463
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:
| SC-C-627731 | 04YE2 | VALCORE MANUFACTURING LLC | | SC-C-627731 | 20723 | VALCORE MANUFACTURING LLC | | SC-C-627731 | 28536 | LAMAR ELECTRONICS CO | | SC-C-627731 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| OVERALL LENGTH | 1.058 INCHES NOMINAL | | OVERALL THICKNESS | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303 | | SURFACE FINISH | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 FINISH NO. 3.3.2 MIL STD SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | OXIDE |
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