National Item Identification Number
00-999-8902
009998902
5855-00-999-8902
5855009998902
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)
97403
CECOM LR CENTER
OPNS CENTER SITCO USASA MDW
10115 GRIDLEY RD SUITE 228
FORT BELVOIR
VA
22060
Reference Numbers (Part Numbers)
13212E3203
Required Categories
MATERIAL
OVERALL LENGTH
STRAIGHT BORE INSIDE DIAMETER
STRAIGHT BORE DEPTH
TA
Required Description
PLASTIC ACETAL
0.055 INCHES NOMINAL
2.510 INCHES NOMINAL
0.005 INCHES NOMINAL