NSN 6650-00-409-0852

Part Details | OPTICAL ELEMENT SPACER

6650-00-409-0852 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.

Alternate Parts: 10516753, 6650-00-409-0852, 00-409-0852, 6650004090852, 004090852

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JUL 15, 197000-409-085222261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-00-409-0852
Part Number Cage Code Manufacturer
1051675319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-409-0852
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-267,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.523 INCHES MINIMUM AND 0.528 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER2.265 INCHES MINIMUM AND 2.270 INCHES MAXIMUM
SERRATION WIDTH0.523 INCHES NOMINAL
END INTERNAL BEVEL ANGLE29.2 DEGREES NOMINAL
SMALLEST END INTERNAL BEVEL ANGLE16.7 DEGREES NOMINAL
SPECIAL FEATURESBLACK
FSC APPLICATION DATAPERISCOPE,TANK