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National Stock Number:
6650-01-619-2016
Federal Supply Class:
6650
National Item Identification Number:
016192016
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:
| 13494709 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 1914709-0001 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 1.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-A-250/11 ASSN STD SINGLE MATERIAL RESPONSE AND AMS-QQ-A-22578 ASSN STD SINGLE MATERIAL RESPONSE AND AMS-QQ-A-20078 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 1.751 INCHES MINIMUM AND 1.752 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | (DWG TITLE) SPACER, LENS-MONOCULAR | | SPECIAL FEATURES | NEXT ASSY: 13494702; USED ON: TAS | | STRAIGHT BORE INSIDE DIAMETER | 1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM |
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