National Item Identification Number
00-937-2172
009372172
5855-00-937-2172
5855009372172
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)
80063
Reference Numbers (Part Numbers)
SCD607216
Required Categories
MATERIAL
STYLE DESIGNATOR
OVERALL LENGTH
STRAIGHT BODY PORTION WIDTH
BODY TA
Required Description
PLASTIC ACETAL
B2 SPACER
0.464 INCHES NOMINAL
0.100 INCHES NOMINAL
30.0 DEGR