National Item Identification Number

01-176-3256
011763256
6650-01-176-3256
6650011763256

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)

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04939

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Reference Numbers (Part Numbers)

13080152
13080152

Required Categories

III END ITEM IDENTIFICATION

Required Description

TARGET ACQUISTION DESIGNATION SIGHT,PILOT NIGHT VISION,SE