National Item Identification Number

01-399-5428
013995428
6650-01-399-5428
6650013995428

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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82577

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Reference Numbers (Part Numbers)

1362266

Required Categories

MATERIAL
POLISHED SURFACE
SURFACE FINISH
LENGTH
III END ITEM IDENTIFICATION

Required Description

GLASS, OPTICAL
BOTH
POLISHED
3.165 INCHES NOMINAL
TEST SET,SIGH