National Item Identification Number
00-531-7068
005317068
6650-00-531-7068
6650005317068
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)
19200
NSN (National Stock Number) 6650-00-531-7068, 6650005317068 NIIN (National Identification Number) 00-531-7068, 005317068
Part Numbers (Reference Numbers)
5317068
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
STYLE DESIGNATOR
OVERALL LENGTH
Required Description
ALUMINUM ALLOY 2024
QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE
B4 SPACER;