11743167

Optical instrument window

11743167 Description

0.940 inches diameter, 0.880 inches length, glass, optical, mil-g-174, class 1, grade b, type 517-645 material, glass, optical, mil-g-174, class 1, grade b, type 517-645 iii material.

Properties of 11743167

Diameter:
0.940 inches
Length:
0.880 inches
Polished Periphery:
Provided
Material:
Glass, optical, mil-g-174, class 1, grade b, type 517-645 and steel, qq-s-764, type 303, cond a-canceled
Material:
Glass, optical, mil-g-174, class 1, grade b, type 517-645 and steel comp 303
Material Specification:
Qq-s-764, type 303, cond a-canceled federal specification 2nd material response
NSN:
1240-01-019-0021
Description:
Window,optical Instrument
Cage Code:
19200

Definition Optical Instrument Window

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.

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Last modified 11/17/2024