NSN 6650-01-092-6476

Part Details | OPTICAL ELEMENT SPACER

6650-01-092-6476 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: 10554778, 6650-01-092-6476, 01-092-6476, 6650010926476, 010926476

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66MAR 30, 198001-092-647622261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES

SPACER

Cross Reference | NSN 6650-01-092-6476
Part Number Cage Code Manufacturer
1055477819200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-01-092-6476
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
STYLE DESIGNATOR SPACER
OVERALL LENGTH5.781 INCHES NOMINAL
FLANGE WIDTH0.375 INCHES NOMINAL
SMALLER FLANGE WIDTH0.230 INCHES NOMINAL
STRAIGHT BORE INSIDE DIAMETER1.750 INCHES NOMINAL
STRAIGHT BORE DEPTH4.781 INCHES NOMINAL
INTERNAL SHOULDER DIAMETER1.625 INCHES NOMINAL
INTERNAL SHOULDER THICKNESS0.469 INCHES NOMINAL
BODY DIAMETER2.500 INCHES NOMINAL
TAPER BORE MAJOR DIAMETER1.625 INCHES MAXIMUM