NSN 6650-01-176-3257

Part Details | OPTICAL ELEMENT SPACER

6650-01-176-3257 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: 13080151, 13080151, 6650-01-176-3257, 01-176-3257, 6650011763257, 011763257

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66APR 11, 198401-176-325722261 ( SPACER, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-176-3257
Part Number Cage Code Manufacturer
1308015104939LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
1308015158260PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH
Technical Data | NSN 6650-01-176-3257
Characteristic Specifications
END ITEM IDENTIFICATIONTARGET ACQUISTION DESIGNATION SIGHT,PILOT NIGHT VISION SE