National Item Identification Number
01-351-8910
013518910
5855-01-351-8910
5855013518910
National Stock Number
Item Name
SPACER,OPTICAL ELEMENT
Federal Supply Class
5855
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)
54490
DEPT OF THE ARMY
U S ARMY ELECTRONICS COMMAND
10221 BURBECK RD
FORT BELVOIR
VA
22060
703-704-1332
Reference Numbers (Part Numbers)
5003392
Required Categories
Required Description