National Item Identification Number
01-174-0928
011740928
6650-01-174-0928
6650011740928
National Stock Number
Item Name
SPACER,OPTICAL ELEMENT
Federal Supply Class
6650
Description
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.
Commercial and Government Entity Code (Supplier Data)
04939
Reference Numbers (Part Numbers)
13075083
13075083
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
THE MANUFACTURERS DATA
MANUFACT
Required Description
ALUMINUM ALLOY 6061
QQ-A-200/8,T6511 FED SPEC SINGLE MATERIAL RESPONSE
04939;