National Item Identification Number

01-348-2404
013482404
6650-01-348-2404
6650013482404

National Stock Number

Item Name

FILTER,LIGHT,OPTICAL INSTRUMENT

Federal Supply Class

6650

Description

An item having two plane-parallel surfaces and consisting of a polarizing material bonded between glass or plastic. This item transmits light in only one plane and is usually used in pairs to vary the light transmitted into or through an optical instrument. Excludes WINDOW, OPTICAL INSTRUMENT.

Commercial and Government Entity Code (Supplier Data)

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Reference Numbers (Part Numbers)

05-2252-RH

Required Categories

DENSITY VARIABILITY
SURFACE MATERIAL
SURFACE PARALLELISM
DIAMETER
SPECIAL FE

Required Description

NOT VARIABLE
ZINC SELENIDE
3.0 MINUTES
25.0 MILLIMETERS NOMINAL
POLARIZES RA