National Item Identification Number

01-305-4070
013054070
6650-01-305-4070
6650013054070

National Stock Number

Item Name

WINDOW,OPTICAL INSTRUMENT

Federal Supply Class

6650

Description

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Commercial and Government Entity Code (Supplier Data)

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04939

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Reference Numbers (Part Numbers)

13082027

Required Categories

MATERIAL
DIAMETER
THE MANUFACTURERS DATA
MANUFACTURERS CODE
DESIGN CONTROL R

Required Description

GLASS, OPTICAL
1.490 INCHES MAXIMUM
04939
13082027