NSN 6650-00-518-5459

Part Details | OPTICAL ELEMENT SPACER

6650-00-518-5459 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: 5185459, 6650-00-518-5459, 00-518-5459, 6650005185459, 005185459

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-518-545922261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-00-518-5459
Part Number Cage Code Manufacturer
518545919200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-518-5459
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2017
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 5 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR SPACER
OVERALL LENGTH0.801 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
STRAIGHT BODY PORTION WIDTH0.593 INCHES NOMINAL
STRAIGHT BORE INSIDE DIAMETER0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
STRAIGHT BORE DEPTH0.578 INCHES NOMINAL
TAPER BORE MAJOR DIAMETER0.650 INCHES MINIMUM
TAPER ANGLE30.5 DEGREES NOMINAL
BODY TAPER30.5 DEGREES MINIMUM
SPECIAL FEATURESBLACK