7645551

Optical instrument window

7645551 Description

3.182 inches diameter, 0.250 inches thickness, m109a2 sp, m109a3 sp, m109a4 sp, m109a4sp, m109a5sp end item identification, glass, optical, jan-g-174, grade c material.

Properties of 7645551

Diameter:
3.182 inches
Thickness:
0.250 inches
End Application:
M109a2 sp, m109a3 sp, m109a4 sp, m109a4sp, m109a5sp
Polished Periphery:
Provided
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
NSN:
1240-00-870-3751
Description:
Window,optical Instrument
Cage Code:

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