National Item Identification Number
01-082-3577
010823577
6650-01-082-3577
6650010823577
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)
19207
Reference Numbers (Part Numbers)
12266754
Required Categories
MATERIAL
STYLE DESIGNATOR
OVERALL LENGTH
STRAIGHT BORE INSIDE DIAMETER
SERRA
Required Description
ALUMINUM ALLOY
B3 SPACER
0.518 INCHES NOMINAL
3.065 INCHES MINIMUM AND
3.075