National Item Identification Number

01-320-4459
013204459
5821-01-320-4459
5821013204459

National Stock Number

Item Name

FILTER,NEUTRAL DENSITY

Federal Supply Class

5821

Description

A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.

Commercial and Government Entity Code (Supplier Data)

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97539

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13499

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Reference Numbers (Part Numbers)

1813/22ND-7
262-1296-800

Required Categories

MATERIAL
LIGHT TRANSMISSION RATING IN PERCENT
OVERALL LENGTH
OVERALL THICKNES

Required Description

RUBBER, SILICONE, ZZ-R-765, CLASS 3, GRADE 50
44.0
0.304 INCHES NOMINAL
0.114