National Item Identification Number

00-438-7557
004387557
6650-00-438-7557
6650004387557

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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Reference Numbers (Part Numbers)

SM-D-707327
61-24417K01

Required Categories

Required Description