National Item Identification Number

01-056-7155
010567155
6660-01-056-7155
6660010567155

National Stock Number

Item Name

WINDOW,OPTICAL INSTRUMENT

Federal Supply Class

6660

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)

7361253

Required Categories

DIAMETER
THICKNESS
THE MANUFACTURERS DATA
MANUFACTURERS CODE
DESIGN CONTROL

Required Description

0.898 INCHES MINIMUM AND
0.900 INCHES MAXIMUM
0.140 INCHES MINIMUM AND
0.160