National Item Identification Number

00-129-9138
001299138
6650-00-129-9138
6650001299138

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)

116B203

Required Categories

MATERIAL
POLISHED PERIPHERY
WIDTH
LENGTH
THICKNESS
BEVEL ANGLE IN DEG
BEVE

Required Description

GLASS, MIL-G-1366
NOT PROVIDED
4.840 INCHES NOMINAL
4.840 INCHES NOMINAL
0.2