NSN 6650-00-451-1087

Part Details | OPTICAL ELEMENT SPACER

6650-00-451-1087 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: 7688776, 6650-00-451-1087, 00-451-1087, 6650004511087, 004511087

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66MAY 12, 197100-451-108722261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-00-451-1087
Part Number Cage Code Manufacturer
768877619200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-451-1087
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2011
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 3,ALLOY 2011,T3 FED SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.183 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
STRAIGHT BORE INSIDE DIAMETER1.196 INCHES MINIMUM AND 1.204 INCHES MAXIMUM
SERRATION WIDTH0.133 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
END INTERNAL BEVEL ANGLE45.0 DEGREES NOMINAL
FSC APPLICATION DATAPERISCOPE,TANK